Question

Gayle bought a shirt that was originally marked as $18. She had a coupon to receive 15% off the price. Gayle

had to pay 7.5% sales tax on her shirt. What price did Gayle pay for the shirt?

Answer 1

$16.45

Explanation:

18 decrease 15% =

18 × (1 - 15%) = 18 × (1 - 0.15) = 15.3

15.3 increase 7.5% =

15.3 × (1 + 7.5%) = 15.3 × (1 + 0.075) = 16.4475