1. Fractions and Percents

what is 13/40 as a percentage and a decimal
plzz help

2. One way is to do this:

$\displaystyle \frac{13}{40}=\frac{x}{100}$

Cross multiply and solve for x.

$\displaystyle 40x = 1300$

$\displaystyle x=32.5$

So, substitute back into the expression:

$\displaystyle \frac{32.5}{100}$

Since percent means "per hundred",

$\displaystyle \frac{32.5}{100}$ means 32.5%

To convert to a decimal, simply move the decimal left 2 places and drop the % sign. Thus 32.5% = .325

3. percent to fraction

what is the answer to 70% to fraction?

4. The easiest way is to simply type 13/40 into your calculator (13 divided by 40) and multiply there product (.325) by 100 =32.5%.

5. Originally Posted by kimmy marie
what is the answer to 70% to fraction?
A percentage is a value out of hundred.

So, 70% is equal to $\displaystyle \frac{70}{100}$

By dividing the numerator and the denominator by 10, This simplifies to:

$\displaystyle \frac{70}{100} = \frac{7}{10}$

6. Your answers are so clear and thoroughly explained Air, +1 rep point from me, keep up the good work

7. Percentage of fraction

13/40 x 100 % = 32.5%

To change any fraction to%, times by 100%, simple

8. Originally Posted by Parveen Kaur
13/40 x 100 % = 32.5%

To change any fraction to%, times by 100%, simple
You mean "times by 100", not "times by 100%", don't you? If you multiply by 100%, that's the same as multiplying by 1.

9. Fraction as %

yes, 100% because you can't times the fraction with any other number except 1 (100/100)
But your answer will be in 32.5% as you are not using 1/100 while doing your calculation.

13/40 x 100 %
=13/40 x 100/100
= 32.5%

10. maths

A percent is a ratio whose second term is 100. Percent means parts per hundred. The word percent comes from the Latin phrase per centum, which means per hundred. In mathematics, we use the symbol % for percent.
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