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Convert these numbers to a decimal and fraction please show work.

55% to decimal and fraction
12% to decimal and fraction
0.02 to percent and fraction
105 to percent and fraction
41 to percent and fraction
0.05 to percent and fraction

Please show work so I can teach myself the steps

2007-08-14 14:32:48 · 9 answers · asked by montrel82 1 in Science & Mathematics Mathematics

9 answers

The trick is to know that x% = x/100. 100ths are easy to convert to decimals, and it's already written as a fraction (but may need to be simplified).

55% = 55/100 = 0.55 or 11/20
12% = 12/100 = 0.12 or 3/25
0.02 = 2/100 = 2% or 1/50

105 = 10,500/100 = 10,500% or 105/1
Assuming you meant 1.05 instead:
1.05 = 105/100 = 105% or 21/20

41 = 4,100/100 = 4100% or 41/1
Assuming you meant .41 instead:
0.41 = 41/100 = 41% or 41/100

0.05 = 5/100 = 5% or 1/20

2007-08-14 14:36:04 · answer #1 · answered by McFate 7 · 0 1

Okay to change a percent to decimal move the decimal 2 places to the left.

So 55% would be .55.

To change a percent to a fraction think of it like this: you have 55% of 100 , so it would be 55/100. Then reduce (divide by 5 here) and you get 11/20.

Good luck with the rest of them!

2007-08-14 14:39:31 · answer #2 · answered by Sophie 1 · 0 0

to get decimal you divide 100 by 55 to get .55
fractions is the same you can just right 55/100
12/100= .12
12/100 is your fraction
0.02 times 100 = .02%
2/100
you cant can the whole number in to a percent and you need 2 numbers to change it to a fraction
.05 time 100 = 5%
5/110 is your fraction

2007-08-14 14:42:45 · answer #3 · answered by isaac_dales 1 · 0 0

This is how you do it. A percent is exactly what it sounds like: a part out of a hundred ("cent" is latin for "hundred"). So 55% would be fifty-five parts out of a hundred. In a fraction, that would be 55/100. It is the same way with decimals. A number like .1 is one out of 10, .25 is 25 out of a hundred, so .55 must be 55 out of a hundred or 55%.

Try that with the others.

2007-08-14 14:37:19 · answer #4 · answered by Anonymous · 1 0

a single digit number like 5% would be 0.05 and a double digit like 45% would be 0.45. or use a calculater

2007-08-14 14:36:37 · answer #5 · answered by Anonymous · 0 0

.55 / 55 out of 100
.12 / 3 out of 25
.02% / 1 out of 50
105% / 15 out of 10?
410% / 41 out of 1
.05% / 1 out of 20

I think...

2007-08-14 14:38:09 · answer #6 · answered by Anonymous · 0 0

multiply everything by 2

2007-08-14 14:35:46 · answer #7 · answered by Anonymous · 0 0

Is this homework?

2007-08-14 14:38:01 · answer #8 · answered by yoshi_robo_man 1 · 0 0

do your own homework..

2007-08-14 14:36:37 · answer #9 · answered by Mr. Engr. 3 · 0 0

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