IXL | Find the percent: tax, discount, and more

During a sale, Jeffrey found crystal sculptures on sale for $567 that had previously cost $900. What percentage is the discount?

Write your answer using a percent sign (%).

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question

After sales tax, a $340 swing set costs $374. What is the sales tax percentage?

Write your answer using a percent sign (%).

key idea

percent of change

amount of change

original amount

percent of change

amount of change

original amount

solution

The percent of change formula can be used to find sales tax percentage.

percentage

price with tax − price before tax

price before tax

percentage

price with tax − price before tax

price before tax

Plug $340 and $374 into the formula and simplify.

percentage

price with tax − price before tax

price before tax

$374 − $340

$340

$34

$340

0.1

percentage

price with tax − price before tax

price before tax

$374 − $340

$340

$34

$340

0.1

Write the number as a percent.

0.1 → 10%

The sales tax percentage is 10%.

Looking for more? Try these:

Lesson: Percent change

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O.10Percent of change

Lesson: Percent change

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