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Antonio and his two brothers equally shared the cost of a new CD with a list price of $18. They

received a 20% discount off the list price and paid 8.25% sales tax on the discounted price.
Find the approximate amount that each of the 3 brothers paid toward the cost of the CD.
A. $4.80
B. $5.20
C. $6.50
D. $15.59

1 Answer

9 votes

Answer:

B. $5.20

Explanation:

18 decrease 20% =

18 × (1 - 20%) = 18 × (1 - 0.2) = 14.4

14.4 increase 8.25% =

14.4 × (1 + 8.25%) = 14.4 × (1 + 0.0825) = 15.588

15.588/3 = 5.196

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