Algebra 1 : Percents

Study concepts, example questions & explanations for Algebra 1

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Example Questions

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Example Question #41 : Percents

What is thirty percent of twenty percent of sixty percent as a fraction?

Possible Answers:

Correct answer:

Explanation:

Rewrite each percentage as a fraction.

Thirty percent: 

Twenty percent: 

Sixty percent:

Multiply the reduced fractions together.

The answer is: 

Example Question #1121 : Linear Equations

Rewrite  as a percent.

Possible Answers:

Correct answer:

Explanation:

A percentage is a number out of 100 parts.

Set up an equation such that a number out of 100 parts is equal to .

Multiply both sides by 100.  This is the same as moving the decimal place of  two spaces to the right and add a percentage sign to the end.

The answer is:  

Example Question #41 : Percents

Jillian makes $550 per week after taxes.  If she puts 10% of her weekly earnings into her saving account, how much will she have left?

Possible Answers:

$500

$55

$605

$545

$495

Correct answer:

$495

Explanation:

Convert 10% to a decimal by dividing it by 100:

Find 10% of 550 by multiplying it by the decimal:

Subtract the product from the original amount:

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