Martha and Sally had lunch together on Tuesday. Sally paid $2 more than Martha. The total bill was $5.64.\n\nI need this problem writen out in numbers.Can u plez help
136220
formula is S=M+2\nS+M=5.64\n\nso 2m+2=5.64\n\n2m=3.64\n\nm=1.82
132162
The cost of 7 hamburgers and 3 slices of pizza would be\n20 - 1 = $19\nThe cost of 8 burgers and 2 slices of pizza would be\n20 - 0.5 = $19.50\nLet x = cost of a burger and y = cost of a slice of pizza\nThe first statement implies\n7x + 3y = 19\nThe second statement implies\n8x + 2y = 19.50\nNow solve these two equations either using substitution of elimination.\nAfter you solve for x and y, you will see that\nx = 2.05 for one burger and y = 1.55 for one slice of pizza\nThus, the cost of 5 burgers and 3 slices would be\n5(2.05) + 3(1.55) = $14.90\nYou paid with a $20, so the change would be\n20 - 14.90 = $5.10
554055
let\nx=blouse\nx+$12.50=jeans\n\nx+x+$12.50=$38.50\n\n2x=$38.50-$12.50\n\n2x=$26\n\nx=$13\n\n$13+$12.50=\n\nMary pay $25.50 for the jeans!:)
676264
House numbers:\n\nYou pay 50¢ per digit.  Therefore 8000 costs $2.00.\n\nYou made a mistake in the statement though.  You are not conjugating properly.  it should be 15 costS and 100 costS, since they are singular items (as a group), not multiple :)\n\nLike you said, one way to avoid the conjugation issues is to use the past, but you can also use this way:\n\nI bought 1 for 50¢, 15 for $1.00, and 100 for $1.50.  How much did I pay for 8000?
643334
That problem is the way you state the question.  They each paid $15 * 3 = $45.  Her returned $5, so the total paid to the store is $40.\n\nNow each got one dollar back, so they paid in $14*3 = $42, and the one boy has the extra $2 which needs to be split.  There is no extra dollar:  $42 - $2 = $40!!
242842
ROOM                $25.00\n\nREFUND TO ROOM    $3.00\nBELL BOY              $2.00\n\nTOTAL                $30.00\n\nIT'S ALL IN HOW YOU SET UP THE QUESTION
606002
Mutiply $28 by 0.30, then subrtact 28 again, and that should tell you how much it is. ($19.60. It will come up as -19.60 though, just ignore the negative)
204154
I did it this way:\n\nI know that 8% of the tota bill is $4.00\nI'm looking for the 100% of the bill... which I'll be naming "X".\nThen, I used the rule of 3:\n\nX   --------   100%\n4.00  -----      8%\n\nX = (4*100)/8\nX = (400)/8\nX = 50\n\nSo... the bill was $50.00\nPlus, the $4.00 tip... The total bill was $54.00\n\nBe sure to say Hi to your math teacher from me!
356756
The facts in this riddle are clear: There is an initial $30 charge. It should have been $25, so $5 must be returned and accounted for. $3 is given to the 3 friends, $2 is kept by the bellhop - there you have the $5. The trick to this riddle is that the addition and subtraction are done at the wrong times to misdirect your thinking - and quite successfully for most. Each of the 3 friends did indeed pay $9, not $10, and as far as the friends are concerned, they paid $27 for the night. But we know that the clerk will tell us that they were charged only $25 and when you add the $3 returned with the $2 kept by the bellhop, you come up with $30.
208325
the other dollar is in your pocket.... you spent $97 dollars and had 3 dollars change... you payed back $2. of the $100.  you spent $97..... no matter how you look at it you had $3. and if you payed back 2 of the $3. the other Dollar is in your pocket.  the equation is 100. - 97 = 3 then 3 - 2 = 1 the dollar is in your pocket
246193
Ok so let's try this:\n\nGuy 1, Guy 2, Guy 3 each pay $15 so:\nGuy 1 = $15\nGuy 2 = $15\nGuy 3 = $15\n\nManager says "$5 too much" and sends the change back ($5) but neither 40 nor 5 divides by 3 into a integer so with an honest waitress the money situation could go like this:\n\nGuy 1 gets back $1, Guy 2 gets back $2, Guy 3 gets $2 and all three get an explanation that $5 doesn't split evenly, sorry. So prior to our waitress taking the $2 you have:\n\nGuy 1 = $15 - $1 = $14\nGuy 2 = $15 - $2 = $13\nGuy 3 = $15 - $2 = $13\ntherefore: $14 + $13 + $13 = $40\n\nOur waitress reasons that our guys want to have spent the same amount of money so she takes a $ each from Guy 2 and Guy 3 to even it out and she takes an extra dollar otherwise she gives back Guy 1 his whole $15 back and Guys 2 and 3 are upset:\n\nGuy 1 = $14\nGuy 2 = $13 + $1 = $14\nGuy 3 = $13 + $1 = $14\ntherefore all three guys have paid $14 each = 3 x $14 = $42\nShe keeps the extra $1 to keep it fair (all guys paid $14)
552029
1. Bob's favorite ice cream used to cost $1.50.... Then the price was raised to $1.75. Find the percent increase.\n(175/150)-1)*100%=16 2/3% increase\n\n2. Jenny paid $12,000 for her car. Five yrs later she sold it for $8500. What percent decrease was this?\n(8500/12000-1)*100%= -29 1/6% 29 1/6% decrease\n\n3. The Music Box marked up their CD's 75%. If the music box charges $20 for a special cd, how much did it cost before the mark-up? (hint: the answer is not $15)\n$20=1.75x\nx=20/1.75=$11.43\n\n4. Quinn deposits $2000 in a savings account that pays 4% compounded semi-annuallly. HOw much money will Quinn have in her account after two years? Give the expression. (you do not have to simplify) \n\n$2000(1.02)^4=$2164.86
74428
Here is an answer using mathematics and not deduction, fits all ages and knowledge levels! Ha ha!\n\nLet's denote the amount of 50's by X and the amount of 20's by Y. If she has 32 bills in total, that means X and Y add up to 32. That gives one equation ===> X+Y=32\nThen, total amount of money is 1000, and that is made up of X amounts of 50's and Y amounts of 20's. And that gives us the second equation =====> 50X+20Y=1000 Using simultaneous equation we have....\nX+Y=32 ====> Multiply this by 50 for simplifcation\n50X+20Y=1000\n\nThe new equation from multiplying by 50 will be \n\n50X+50Y=1600     Now simply subtract one from the other\n50X+20Y=1000\n-------------\n0 + 30Y = 600 ======> Y=600/30=20\n\nTherefore, if she has 20 20's and in total if she has 32 bills, she naturally have 12 50's!
659701
The two dollars that was a tip to the bellhop is not added to the $27 to give $29 as the last sentence states.  It is subtracted from the $27 paid by the three men ($9 each), giving $25 (which is how much the room cost).\n\nSo basically, each man paid $8.33 for the room, and $0.67 each to the bellhop.  This gives the $25 room charge, $2 tip and the $3 change from the original $30.\n\nThere is no missing dollar.
161846
ok. there are 3 guys who go on a road trip. they go into the hotel and its $30.00 even for the room. so each guy pays 10.00. (10 x 3 =30)\nwhile they are in the room the checkin girl realizes its only $25.00 for the room. so she grabs 5 one dollar bills and goes up to the room. she realizes that 5 does not divide by 3 evenly. so she taked $2.00 and puts them in her pocket. as she knocks at the door she feels guilty and pulls the $2.00 out of her pocket. they ended up giving her 2 dollars and kept 3. if each guy gets 1 dollar back then instead of 10 they paid 9 each for the room. ( $9 x 3 = 27)\n27 + 2 (tip they gave lady) = $29.00\n\nWHERES THE LAST DOLLAR??????????????
254622
1) x spent on rest, x + 600 on food, x+x+600 = total spent\ntotal salary = 5/3 * spent = 5/3*(x+x+600)\n\n5/8*(x+x+600) = x+600\n375-600 = -1/4(x)\n900 = x (on rest)\n1500 (on food)\nspent total of 2400\ntotal salary = 4000\nsaved = 2/5 of total = 1600\n\n2) if it took 20 minutes (from 10:15 to 10:35) to change 50 degrees (20*2.5 = 50)\nand it took 30 minutes to change back 37.5 degrees (50-12.5=37.5) \n\nThen, the rate of cooling is 37.5 degrees/30 minutes = 1.25 degrees / minute of cooling\n\nTherefore, it took ten minutes of cooling to change 12.5 degrees, which means the time at which it was 12.5 degrees hotter than 11:05 was 10:55 pm.\n\nP.S. you have one tough teacher!  glad to see that you are getting a good education, cause these are not easy questions.
555045
You treat this as an addition and subtraction problem. Anything she put into her account gets added, anything she took out of her account gets subtracted.\n\n625 - 68.74 - 29.95 - 57.65 = 468.66\n\nTherefore her account increased by $468.66