II. Find each percent change, and tell whether it is a percent increase or decrease.

10. A video game has a 70% markup. The wholesale cost is $9. How much is the markup, and what is the selling

1 answer

1.70 * 9 = 15.30

15.30 - 9 = 6.30

or
.70*9 = 6.30
6.30 + 9 = 15.30
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