Algebra 1 : Percents

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #31 : Percents

Convert  to a percent.

Possible Answers:

Correct answer:

Explanation:

A percent is a number out of 100 parts.  Suppose we have 100 percent.  This number would be out of 100 parts.

This would indicate that we will need to move the decimal place two positions to the right, and then add a percent sign to the end.

Therefore:   

The answer is:  

Example Question #31 : Percents

Determine the decimal value of .

Possible Answers:

Correct answer:

Explanation:

In order to determine the decimal of a percent, simply remove the percent sign and move the decimal place back two spaces.  

This method is similar to dividing this number by 100.

The answer is:  

Example Question #32 : Percents

Convert  to a decimal.

Possible Answers:

Correct answer:

Explanation:

A percent is a number over 100 parts.

Remove the percentage sign and divide the number by 100.

When dividing a number by 100, we can shift the decimal place back two spaces.

The answer is:  

Example Question #1111 : Linear Equations

Which of the following percents is closest to ?

Possible Answers:

Correct answer:

Explanation:

In order to determine which percentages are closest to the integer given, we should convert this integer to a percentage.  

A percent is a number out of 100 parts.

Some number out of 100 parts is equal to 50.

Set up this equation.

Multiply by 100 on both sides.

Simplify both sides.

We are looking at a number closest to five thousand percent.

The answer is:  

Example Question #1121 : Algebra 1

Convert  to a percent.

Possible Answers:

Correct answer:

Explanation:

To convert a decimal number to a percentage, simply multiply by 100 or move the decimal place to the right twice.

The answer is:  

Example Question #36 : Percents

Write the percentage given the number .

Possible Answers:

Correct answer:

Explanation:

The percent is represented by some number out of 100 parts.

Set up an equation where some number out of 100 parts is equal to the given number.

Multiply 100 on both sides and simplify.

The correct answer is:  

Example Question #37 : Percents

Convert  into a percent.

Possible Answers:

Correct answer:

Explanation:

The percent of a number is some number out of 100 parts.  Setup an equation such that some number over 100 parts is equal to the given number.

Multiply by 100 on both sides.

This is the same as moving the decimal place two spaces to the right.

The correct answer is:  

Example Question #38 : Percents

Write the percentage for the number .

Possible Answers:

Correct answer:

Explanation:

A percentage is some number out of 100 parts.

To write a number into a percentage, simply move the decimal place two spaces to the right and add a percentage sign, or multiply by 100 and add a percent sign.

The answer is:  

Example Question #39 : Percents

Convert  to a percent.

Possible Answers:

Correct answer:

Explanation:

A percentage is some number over 100 parts.  Set up an equation where some number over 100 parts is equal to the given number in the problem.

Multiply by 100 on both sides.   This is also the same as moving the decimal place two spaces to the right.

The correct answer is:  

Example Question #31 : Percents

What is  as a percent?

Possible Answers:

Correct answer:

Explanation:

A percentage is some number out of .

Some percentage is equal to .

Write the equation.

Notice that if we multiplied both sides by , we are moving the decimal place two spaces to the right. Add a percentage sign at the end.

The answer is: 

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