IXL | Find what percent one number is of another: word problems

Yesterday, there were 90 problems assigned for math homework. Eric got 9 out of 90 problems correct. What percentage did Eric get correct?

Write your answer using a percent sign (%).

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Learn with an example

question

At the sewing store, Belle bought a bag of mixed buttons. She got 40 buttons in all. 28 of the buttons were large. What percentage of the buttons were large?

Write your answer using a percent sign (%).

key idea

A percent is 1 part out of 100.

1%
is
equal
to
1
100
or
0.01.

Proportions can be used to solve percent problems.

part

whole

percent

100

solution

Find what percentage 28 is of 40. The part is 28.

The whole is 40.

Let n represent the percent.

Write a proportion to solve for n.

100

28 · 100

40n

2,800

40n

2,800 ÷ 40

40n ÷ 40

70% of the buttons were large.

You could also find the answer by writing and solving an equation:

part

percentage of whole

100

40n

100

0.4

70% of the buttons were large.

Looking for more? Try these:

Lesson: Percents

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Questions
answeredQuestions

Time
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hr	min	sec
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SmartScore
out of 100
IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

Teacher tools

Work it out

Not feeling ready yet? These can help:

H.3Find what percent one number is of another

S.5Write a ratio: word problems

Lesson: Percents

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