Algebra 1 : Decimals and Percentage

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #34 : How To Find Percentage Equivalent To A Decimal

Rewrite the following decimal as a percent.

Possible Answers:

Correct answer:

Explanation:

Rewrite the following decimal as a percent.

To convert between decimals and percents, we simply need to move the decimal point. 

When going from a decimal to a percent, move the point two spaces to the right.

When going from a percent to a decimal, move the point two spaces to the left.

So this,

Becomes

Example Question #41 : Decimals And Percentage

Convert  to a percentage.

Possible Answers:

Correct answer:

Explanation:

To convert a decimal (or whole number) to a percentage, take the decimal and multiply it by 100.

Example Question #42 : Decimals And Percentage

Convert to a percentage

Possible Answers:

Correct answer:

Explanation:

To convert any decimal to a percentage, take the number and multiply it by 100. This is the same concept as moving the decimal point two places to the right.

This is all you need to do to convert it.

Example Question #43 : Decimals And Percentage

Express the decimal as a percent.

Possible Answers:

0.561%

56.1%

5.61%

0.000561%

Correct answer:

5.61%

Explanation:

To find the percent, we take the decimal and multiply it by 

The answer is then the equivalent percent.

5.61%

Example Question #44 : Decimals And Percentage

Express the decimal as a percentage.

Possible Answers:

71%

0.071%

7.1%

0.0071%

Correct answer:

71%

Explanation:

To find the percent, we take the decimal and multiply it by 

The answer is then the equivalent percent.

71%

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

Which of the following numbers is the decimal equivalent of 80%? 

Possible Answers:

80

8

0.8

0.008

0.08

Correct answer:

0.8

Explanation:

80% can be thought of as 80% of one. Percents also refer to numbers out of 100, thus, our decimal can be calculated by taking 80/100. This would result in 8/10 after simplifying, which is equivalent to 0.8.

80% = 80/100 = 8/10 = "eight tenths," or 0.8

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

Express 32% in decimal form.

Possible Answers:

Correct answer:

Explanation:

To express a percentage as a decimal, imagine a decimal at the end of the percentage . Move the decimal over two places to the left, and you have the decimal expression of a percentage,

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

What is the simplest fraction that represents 88%?

Possible Answers:

Correct answer:

Explanation:

The word percent, or per cent, means of every one hundred, so 88% can be expressed:

Example Question #45 : Decimals And Percentage

Andre borrows $80 from you.  If he pays you back 40% of that money, how much money is he giving you?

Possible Answers:

Correct answer:

Explanation:

To find 40% of $80, you must turn 40% into a decimal.

 

Example Question #46 : Decimals And Percentage

Convert 74% to a decimal.  

Possible Answers:

Correct answer:

Explanation:

The decimal in 74% is located between the 4 and the '%'. So think of 74% as 74.0%.  Then move that decimal point two digits to the left and erase the '%' so that it is written as 0.74

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