### All GRE Math Resources

## Example Questions

### Example Question #1 : How To Find Decimal Equivalent To A Percentage

Robert has of his cereal left. Choose the answer which best expresses as a decimal, how much of his cereal he has eaten.

**Possible Answers:**

**Correct answer:**

The easiest way to convert between percent and decimal is to first convert the percentage into a fraction:

Then, from the fraction, you can convert quite easily to a decimal:

HOWEVER--in this problem, they are asking you for the portion that makes up the rest of the cereal--so you need to subtract your decimal above from , which yields the correct answer:

### Example Question #2 : Decimals And Percentage

Choose the answer below which best expresses the following as a decimal:

**Possible Answers:**

**Correct answer:**

When converting percents into decimals, know that the tens and ones digit of the percent will occupy the tenths and hundredths places of the decimal. Any decimal following the whole percent will follow in sequence (i.e. the first decimal place in a percent corresponds to the thousandth place, and so on). Therefore, ninety-seven point five percent is equal to:

### Example Question #2 : How To Find Decimal Equivalent To A Percentage

Choose the answer which best expresses the following percentage as a decimal:

%

**Possible Answers:**

**Correct answer:**

To convert a percentage into a decimal, simply place the decimal point in front of the tens digit of the percentage. So, % becomes .

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