Answer: $12.80
Explanation:
Multiply the amount of tax by how many CDs were bought. 0.50 x 5=2.50
Subtract the total tax (2.50) from the total price (66.50), so 66.5-2.5=64
Take the remaining 64 and divide by the number of CDs 64÷5=12.8
Answer: 64
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