Iris wants to buy two necklaces, one for her sister and one for herself. The necklace for her sister costs $42.00, and the necklace for herself costs $28.00. The sales tax on the purchases is 8%. Find the total cost of Iris's purchases, including sales tax. If necessary, round your answer to the nearest cent. A. Show your setup and work, as well as your answer. B. Explain what process you used to find the answer

Question

Mathematics

Bethany

13 November, 10:13

Iris wants to buy two necklaces, one for her sister and one for herself. The necklace for her sister costs $42.00, and the necklace for herself costs $28.00. The sales tax on the purchases is 8%. Find the total cost of Iris's purchases, including sales tax. If necessary, round your answer to the nearest cent. A. Show your setup and work, as well as your answer. B. Explain what process you used to find the answer

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Answers (2)

Know the Answer?

Hamlet · Answer 1

42+28 = 70

x/70 = 8/100 (cross multiplication) x = 5.65.6+70 = 75.6$

Reyna Russell · Answer 2

the cost + the sales tax

(42 + 28) + 0.08 (42 + 28)

(42 + 28) (1 + 0.08)

70*1.08

the total cost = $75.60

the cost of Iris's purchases is $75.60

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