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# Converting decimals and percents review

Review writing decimals as percents and percents as decimals.  Then, try some practice problems.

## What does percent mean?

Percent means 'per hundred.' So, we can replace a percent sign with 'per hundred.'
Example:
35, percent, equals, 35, start text, space, p, e, r, space, h, u, n, d, r, e, d, end text, equals, start fraction, 35, divided by, 100, end fraction

## Writing percents as decimals

To write a percent as a decimal, we divide the percent by 100.
Example 1
Let's convert 42, percent to a decimal:
42, percent, equals, 42, start text, space, p, e, r, space, h, u, n, d, r, e, d, end text, equals, start fraction, 42, divided by, 100, end fraction
start fraction, 42, divided by, 100, end fraction, equals, 42, start text, space, h, u, n, d, r, e, d, t, h, s, end text
42, percent, equals, 0, point, 42
Example 2
Let's convert 370, percent to a decimal:
370, percent, equals, 370, start text, space, p, e, r, space, h, u, n, d, r, e, d, end text, equals, start fraction, 370, divided by, 100, end fraction
start fraction, 370, divided by, 100, end fraction, equals, 370, start text, space, h, u, n, d, r, e, d, t, h, s, end text
370, percent, equals, 3, point, 7
Want to learn more about writing percents as decimals? Check out this video.

## Practice

Problem 1A
• Current
Express the percent as a decimal.
92, percent

Want to try more problems like this? Check out this exercise.

## Writing decimals as percents

To write a decimal as a percent, we multiply the decimal by 100.
Example 1
Let's convert 0, point, 03 to a percent:
0, point, 03, equals, start fraction, 3, divided by, 100, end fraction, equals, 3, start text, space, h, u, n, d, r, e, d, t, h, s, end text
0, point, 03, equals, 3, percent
Example 2
Let's convert 5, point, 8 to a percent:
5, point, 8, equals, start fraction, 580, divided by, 100, end fraction, equals, 580, start text, space, h, u, n, d, r, e, d, t, h, s, end text
5, point, 8, equals, 580, percent
Want to learn more about writing decimals as percents? Check out this video.

## Practice

Problem 2A
• Current
Express the decimal as a percent.
0, point, 31
percent

Want to try more problems like this? Check out this exercise.

## Want to join the conversation?

• Why is this hard at times but when you get then answer it is so easy?
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• I know, right it happened to me like 5 or six times today.
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• i think i'm not good at this.
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• Everyone has different talents. So if your not good at math you are good at something. Be confident, cheer up, and study. Good luck!
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• i know the answer but what is 78 divided by 2
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• To divide 78 by 2 you see how many times 2 fits into 7. 3 times or 6. 7-6 is 1. How many times does two fit into 18? 9 times. Your answer is 39.
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• Persistence is often more important than intelligence. Exercise!
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• Make it obvious that there are two numbers
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• mais... quelle est le vocabulaire en francais
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• Problem 2a is wrong I'm getting the right answer 31%
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