Math Question: How can I determine the percentage decrease for the following two prices?
145296
Divide the difference between the two prices by the original price (59.53 divided by 398.53) and then multiply that answer by 100.  In this case, the discount is a little under 15%.
1153180
Write them as a ratio of integers (cents) first:\n1250 / 875\n\nRemove a common factor of 5 from top and bottom:\n250 / 175\n\nRepeat for another 5:\n50 / 35\n\nOops, we can do it again:\n10 / 7\n\n(Note: this is equivalent to 1.428571... in decimal, so the previous answer was right about this, but the problem asked to do it as a ratio of whole numbers.)\n\nSo the ratio of the prices is 10 / 7.
822906
Solve the equation:\n\n(Price increase)/(Original Price) x 100\n\nPlugging in our values, you get:\n\n(122776 - 1682)/(1682) x 100\n\nSolving for x, you get x = 7200% increase\n\n------------\n\nHope this helps
908109
You must divide the amount of the profit by the wholesale price.  Trivially, the profit is $0.60.  $0.60 / $0.05 = 12.  To get a percent, you must mulitply this result by 100%, giving you 1200% profit.  Not bad!
519289
let the original price be x\nx * 20/100 =12590\ntherefore.. x=12590*5\n=\n62950\n\ni didnt notice the extra f in "off" .. i took it as "of".. \nstill m not goin to edit my answer
935199
100%------>$1200\n80%-------->y\n(80x1200)/100=y\ny=960\nafter 2years\n80% of 960\n$768\n768 is 64% of 1200\nthe decrease was  36%
827828
(680-350)/350=.943\nso you take how much you sold it for and subtract how much you paid - that equals your profit\nthen you divide your profit by how much you paid for it
84594
if x is the original price\n216=x-.1x\n216=.9x\ndivide 216 by .9 this gives you x
857332
the sale price after the first discount=3485*0.85\nafter the second discount=price after the first discount*0.96\nthe sale price=3485*0.85*0.96=P2843.76
435313
It dropped 9,09%\n2.75-2,50=0.25\n0.25 X 100 / 2.75 = 9.09%
849026
$271.00 x (0.40%) = $108.40\n\n$271.00 - $108.40 = $162.60 \n\nit's ok :) we all have brain farts
965285
rate b = rate a / sqrt (mwtb/mwta)\n          = [rate a * sqrt mwta]/sqrt mwtb\n          = 0.0235 * sqrt64 / sqrt 352\n          = 0.188/18.7624 = 0.01 = 10 x 10^-3...aprrox the same answer\n she got that 9.88 by taking m wt UF6  as 362....lol\nplug it in to see...\nbtw, your algebra was wrong....
811932
1     $58.50\n\n2     $23.20\n\n3     $38.25\n\n4     $75.60
377265
I'd like to tell you a couple of tricks for getting ABOUT the right answer, which is often all you need, for instance when you're buying something and want to guard against a major cashier's error.\nMultiplying two numbers: Try to simplify the problem. Say it's 15 cans of something at 39 cents a can. Well 39 is pretty close to 40, so you get 15*40=$6.00. Or if you want it exactly, 15*40=$6.00 but subtract 15 cents because you added it when you simplified. $6.00 - $0.15 = $5.85. That's a lot easier than mentally multiplying 15 by 39.\nOften there seems to be no way to simplify the problem. Like 34 * $0.57. Well see what happens if you decrease one a little and increase the other by the same percentage. Say we take 34 down to 30, that's a little more than 10% less. Then what's a little more than 10% of 57? About 7. So we add 7 to 57, and we have 30 * $.64 = $19.20. The actual answer is $19.38. Again, not too bad. Or a 3-digit number: Try $3.79 * 18. OK, lets put $3.79 up to $4.00, about a 5% increase. Then take about 5% off 18 and it's 17. $4.00 * 17 = $68.00, compared to the exact answer of $68.22. \nHow about when you have a bunch of different items in the supermarket cart and you want the approximate total? Just keep track of the dollars and remember the cents as simple fractions of a dollar. So if you have these items: $1.39, $3.75, $2.19, $7.63, you say 1 & 1/3 plus 3 & 3/4 is 5 & a little; plus 2 & a little is 7 & 1/2; plus 7 & 1/2 is 15. The actual total is $14.96. Again, not too bad, although it won't always be this close. I hope you can use these. It gets easier with practice.
233961
1.) Find 50% of 20: 50/100 x 20 = y\n2.) What percent of 20 is 10?: y/100 x 20=10\n3.) The original price was 100, it is now 50. By how much was it discounted? 100 - y/100 x 100 = 50\n4.)The original price was 100 and it was discounted by 10%. What is the new price?: 100-90/100=y
1171143
Lets' say you start with 200 and you end with 260.  Your gain is 260-200=60.  Your percentage gain is 60/200=0.3=30%\n\nGain is (E-S)/S
904959
0.30 * 0.40 + 0.70 * 0.10\n\n= 0.12 + 0.07 = 0.19\n\n= 19%