Algebra 1 : Fractions and Percentage

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #40 : How To Find Percentage From A Fraction

Oscar sells bicycles and out of the  he sold this month, 8 were mountain bikes. What percent of Oscar's total sales were for mountain bikes?

Possible Answers:

Correct answer:

Explanation:

To find the percent value, we must take our fraction, convert it to a decimal value and then multiply by :

Example Question #3081 : Algebra 1

Convert  to a percent.

Possible Answers:

Correct answer:

Explanation:

A percent is a number out of 100 parts.

Set up a proportion so that we have this fraction equal to some number over 100.

Cross multiply.

Divide by four and simplify the fraction.

The answer is:  

Example Question #41 : How To Find Percentage From A Fraction

Find the percent equivalent to the following fraction:

Possible Answers:

Correct answer:

Explanation:

Find the percent equivalent to the following fraction:

To find the percent equivalent to a fraction, we should first treat our fraction like a division problem, then multiply by 100.

Next, multiply by 100

Example Question #3083 : Algebra 1

Approximate the percent given the fraction: 

Possible Answers:

Correct answer:

Explanation:

In order to find the percentage, we will need to set up a proportion equal to some number over 100.  This number will represent the percentage.

Cross multiply.

Divide by seven on both sides.

This will round up to .

Example Question #42 : How To Find Percentage From A Fraction

Convert  to a percent, rounded to the nearest hundreth.

Possible Answers:

Correct answer:

Explanation:

To convert the fraction to a percent, we must set up the following equation:

Because percent by definition is the "part" divided by 100, we solve for x (this is the value reported as a percent):

Example Question #56 : Fractions And Percentage

Given the fraction , find the percentage.

Possible Answers:

Correct answer:

Explanation:

In order to find the percentage, we need to set up a proportion.

A percentage is some value out of 100 parts.

Set up an equation where seven-eighths is equal to some number out of 100.

Cross multiply the fractions.

Divide by eight on both sides.

Simplify both sides.

This means that  is equivalent to .

The answer is:  

Example Question #57 : Fractions And Percentage

Convert  to a percentage rounded to one decimal place

Possible Answers:

Correct answer:

Explanation:

The fraction bar is also a division bar so first perform the division the fraction requests. Divide 13 by 56.

Now take this decimal and multiply by 100. After you do this make sure to round to one decimal place.

Example Question #58 : Fractions And Percentage

Convert to a percentage rounded to one decimal place

Possible Answers:

Correct answer:

Explanation:

First divide 8 by 211

Now, multiply the decimal you got by 100 to convert it to a percentage

Make sure to round to one decimal place

Example Question #1 : How To Find A Fraction From A Percentage

How do you display 40% as a fraction?

Possible Answers:

Correct answer:

Explanation:

To display a percentage as a fraction, divide the number of percent by 100 to give you . Then simplify the fraction by dividing each number by 20, yielding  .

Example Question #1 : How To Find A Fraction From A Percentage

What is 135% of 45?

Possible Answers:

Correct answer:

Explanation:

This is just a simple problem of translation.   We know that  and can translate the rest of the problem into this form: .  Merely multiply and get the answer, namely .

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