IXL - Find the percent: tax, discount, and more (Algebra 1 practice)

A discount store buys a shipment of hockey sticks at a cost of $26 each. The hockey sticks will be sold for $78 apiece. What is the mark-up, as a percentage?

Write your answer using a percent sign (%).

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question

Leather chairs originally priced at $830 are now on sale for $332. What is the discount, as a 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 percent of discount.

percent of discount

original price − discount price

original price

percent of discount

original price − discount price

original price

Plug $830 and $332 into the formula and simplify.

percent of discount

original price − discount price

original price

$830 − $332

$830

$498

$830

0.6

percent of discount

original price − discount price

original price

$830 − $332

$830

$498

$830

0.6

Write the number as a percent.

0.6 → 60%

The percentage of discount is 60%.

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Lesson: Percent change

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Lesson: Percent change

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