at the register the coat will ring up for $42.4
Step-by-step explanation:
21 b) Discount on sale = 75%
We need to know the price of the coat before the discount was applied.
The intial price of the heavy coat = $160
Discount = 75% × 160 = 0.75 × 160
DIscount (amount saved) = $120
Discounted price = Intial price - discount = 160 - 120
Discounted price = $40
A sales tax of 6%:
Sales tax = 6% × 40 = 0.06 × 40
Sales tax = $2.4
The price of the heavy coat = sales tax + the discounted price
The price of the heavy coat = 2.4 + 40 = $42.4
If the tax is 6%, at the register the coat will ring up for $42.4