Answer:
$7.5¢ or
![7(1)/(2)](https://img.qammunity.org/2022/formulas/mathematics/high-school/mdzzf7bv2uq0p6jo18grvfktlz3mm1yhep.png)
Explanation:
Do not use This solution:
Firstly, lets find how much the hats cost initially before the 15% coupon. To do that, divide, not multiply, divide $45 by 15% because 15% off means multiply 15% from the original price. But in this case we need to find the initial amount before the 15% coupon.
15% =
![(15)/(100)](https://img.qammunity.org/2022/formulas/mathematics/high-school/bd37zbabycmaw42mcvd2p6chu9rkflt0i0.png)
Now, set it up;
×
![(45)/(1)](https://img.qammunity.org/2022/formulas/mathematics/college/lmfwlgkue6o47r1dyyr5dl2enygjrvqaac.png)
Correct solution!
45 ÷ 6 = 7.5