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

A store owner discounted some crystal vases from $840 to $462. What is the discount, as a percentage?

Write your answer using a percent sign (%).

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question

A chandelier has a price of $160. With sales tax, it will cost $176. 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 $160 and $176 into the formula and simplify.

percentage

price with tax − price before tax

price before tax

$176 − $160

$160

$16

$160

0.1

percentage

price with tax − price before tax

price before tax

$176 − $160

$160

$16

$160

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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Lesson: Percent change

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