IXL | Find the percent: markups and sales

A cashier checks the price of a chalkboard that is marked $14, because it usually rings up at $50. What percentage is the discount?

Write your answer using a percent sign (%).

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question

A store owner bought CD players for $25 and sold them for $32. What is the mark-up 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 mark-up.

percent of mark-up

selling price − purchase price

purchase price

percent of mark-up

selling price − purchase price

purchase price

Plug $25 and $32 into the formula and simplify.

percent of mark-up

selling price − purchase price

purchase price

$32 − $25

$25

0.28

percent of mark-up

selling price − purchase price

purchase price

$32 − $25

$25

0.28

Write the number as a percent.

0.28 → 28%

The percent of mark-up is 28%.

Looking for more? Try these:

Lesson: Percent change

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Lesson: Percent change

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