Question

A music store buys instruments and then sells them for 30% more than they paid.

Answer 1

$78.68 because 93.60+%20-%30 is $93.60+18.72-33.69=78.68

Answer 2

93.60 * 20% = $112.32. Sale in store

112.32 * 30% = 33.69

112.32 - 33.69 = 78.63

The store pay for the clarinet is $78.63