How do you write 15/25 as a percent please by tomorrow!!!@?
回答 (13)
2008-12-19 6:12 am
✔ 最佳答案
Multiply 15 by 4.A percentage is based on 100% being "all," and 25 is 1/4 of 100, so you would multiply 15 by 4 to see how much of a percent (out of 100) it is... since 25 is actually the "100%."
You would change 25 to 100, for "100%," and that is done by multiplying it by 4, so you also multiply the portion, 15, by 4, and voila! You have "60%."
Isn't that odd? I'm no mathematician, so I'm not sure why they established 100 as representing "all" of something, but they did, so base your equation off of that.
2008-12-19 6:24 pm
You could do this either of two ways:
1. Divide 15 by 25, and get 0.6. Add a zero to the end, so that you have 2 decimal places, and you get 60%.
2. Simplify the fraction (by dividing the numerator - top number and the denominator - lower number by the same number, in this case, 5, and you get 3/5. Now multiply both the top and bottom numbers by 20 - so that the percent will be over 100, and you get 60/100. So the answer is 60%.
1. Divide 15 by 25, and get 0.6. Add a zero to the end, so that you have 2 decimal places, and you get 60%.
2. Simplify the fraction (by dividing the numerator - top number and the denominator - lower number by the same number, in this case, 5, and you get 3/5. Now multiply both the top and bottom numbers by 20 - so that the percent will be over 100, and you get 60/100. So the answer is 60%.
參考: Math tutor.
2008-12-19 7:42 am
15/25 = 3/5 = 60%
2008-12-19 6:13 am
60%
25 x 4=100
15 x 4 = 60
25 x 4=100
15 x 4 = 60
2008-12-19 9:27 am
15/25 x 100%
= 1500/25 %
= 60%
= 1500/25 %
= 60%
2008-12-19 8:09 am
15/25 = 60/100 = 60%
2008-12-19 6:32 am
Percent is the same as x/100.
What times 25 = 100?
What is that number times 15?
Simple multiplication will give you your answer.
What times 25 = 100?
What is that number times 15?
Simple multiplication will give you your answer.
2008-12-19 6:30 am
Multiply the fraction by 100 to get percent.
(15/25) * 100 = 0.60 * 100 = 60%
(15/25) * 100 = 0.60 * 100 = 60%
2008-12-19 6:18 am
15/25 = 3/5 = 0.60 = 60%
2008-12-19 6:14 am
percent means out of 100.
1. set up a proportion. 15/25 = x/100. cross-multiply 1500 = 25x, divide by 25, get x = 60.
2. Common sense: Multiply the fraction by 4/4.
15(4)
25(4) = 60/100 = 60 percent
1. set up a proportion. 15/25 = x/100. cross-multiply 1500 = 25x, divide by 25, get x = 60.
2. Common sense: Multiply the fraction by 4/4.
15(4)
25(4) = 60/100 = 60 percent
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