how do i figure out what 10% of $2.00 is?
916661
10% is 1/10\n\n1/10 of $2.00 is $0.20
1070468
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)
472799
1. 10 1/8\n\n2. 1/150
386643
If the number is a fraction, just divide the top number by the bottom number.  For example, 1/2 = 1 divided by 2 = .5.  Move the decimal point to places to the right = 50%.  If the number is a whole number, just add two zeros and %.  For example, the number 2 = 200%
1085819
10 - 15% = 8.5\n\nor\n\n10 - (10*0.15) = 8.5\n\nturn % to decimal and multiply it by the number from which you are subtracting the percent. Then subtract that number from the original number\n\nremember each percent is 2 decimal places left - 8% = 0.08, 25% = 0.25, 125% = 1.25
430268
the check was for $15.35\n\nthe method isn't beautiful, but whatever.  i got it.\nwhere x is the # of dollars the check was for, and y is the # of cents the check was for:\n2(x + y/100) = y + x/100 - 4.45\n2x + 2y/100 = y + x/100 - 4.45\n200x + 2y = 100y + x - 445\n199x - 98y = -445\n199x - 98y + 445 = 0 (mod 100)\n99x - 98y + 45 = 0 (mod 100)\n-x - 2y = -45 (mod 100)\n2y - x = 55 (mod 100)\n\nyou want y to be roughly (2x + 4) too.\n\nhey, how about y =35  --> x=15\n\n15.35*2 = 30.70\n35.15 - 4.45 = 30.70\n\nvoila!
754341
$25 x .20 = $5\n\n$30 x .25 = $7.50\n\nThat is about the shortest way to them - just change the % to a decimal and multiply, remembering to put the decimal point in the right place.  I hope this helps.
1045837
Remember that percent means "per 100." \n\n4/10 = 0.4\nMultiplying 0.4 times 100 gives you 40%.
249879
Take $30.00 and subtract $.10 ($29.90)\nThen figure 80% of that, and the cost is the answer ($23.92)
949845
hmm..well this might be an easy fix if you have a calculator\n\nsimply multiply the total by 0.1.  the answer will be 10 percent of the total.\n\nhope this helps\n\nexample: 132.00  x 0.1 = 13.20    which is 10%
163217
0.099 is a little less than 10 cents (0.10)
107616
33 1/3 % sale takes 1/3 the cost off the shirt.  (33.33% is 1/3 of 100).\n\nThat means 10.60 is 2/3 the original cost of the shirt.  To find the original cost.  This means\n\noriginal cost x 2/3 = 10.60\n\ndivide both sides by 2/3, which is the same as multiplying by the reciprocal (reciprocal of 2/3 is 3/2).\n\noriginal cost = 10.60 x 3/2\n\noriginal cost = 15.90
1034512
£20.24 divide that by 50% = £10.12  (50% is half)\n\n\n£20.24 + £10.12 = £30.36\n\n\nHope this helps LoL
192485
This is an invoice.\n\n2/10= 2% discount if paid within 10 days\n\nn/30= if discount is not taken, payment is due within 30 days.\n\nFOB Shipping point=the merchandise is yours when it ships, not when it actually arrives at your warehouse. Therefore, your inventory account increases while your cash decreases.
929339
Directions: Turn the following to percents.\n#1   10%\n\n#2   50%\n\n#3   60%\n\n#4   17%\n\n#5   75%\n\n#6   20%\n\n#7   30%\n\n#8   24%\n\n#9   12.5%\n\n#10   50%\n\n#11   225%\n\n#12   40%\n\n#13   25%\n\n#14   175%\n\n#15   40%\n\n#16   65%\n\n#17   .1%\n\n#18   125%
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.
426775
b = 2g - 10\ng = (b + 10)/2