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2007-10-07 11:07:21 · 6 answers · asked by Anonymous in Science & Mathematics Mathematics

6 answers

90 %. You reduce both numbers by five to get 9/10, and convert to percent.

2007-10-07 11:10:41 · answer #1 · answered by ~*Fender Freak*~ 3 · 0 0

Do the division, and then move the decimal point over to the right two spaces:

45 / 50 = 0.9

Remember that you can have an infinite number of zeroes behind the 9 without changing the value of the number itself

So...

0.9 = 0.9000

To change to percent, move the decimal over to the right two spaces:

0.9 = 0.9000 = 90.00% = 90%

2007-10-07 11:15:01 · answer #2 · answered by Skrap 3 · 0 0

Remember that percent means "divided by 100". So, simply evaluate your expression with a calculator or other method:

45 / 50 = 0.9

Then multiply by 100 and divide by 100 at the same time (which has no net effect):

0.9 = 0.9 * 100 / 100
0.9 = 0.9 * 100%
0.9 = 90%

2007-10-07 11:11:34 · answer #3 · answered by lithiumdeuteride 7 · 0 0

45/50 is what over 100?
45/50 =x/100
50x=4500
x=4500/50
x=90 per hundred
we write "per hundred" as %
x=90%

2007-10-07 11:13:12 · answer #4 · answered by Grampedo 7 · 0 0

90%

divide 100 by the bottom # (50) which equals 2
then multiply that by the top number which equals 90
that is the percentage

2007-10-07 11:11:41 · answer #5 · answered by Anonymous · 0 0

90%

2007-10-07 11:10:42 · answer #6 · answered by Anonymous · 0 0

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