Question

Jamie purchased a DVD that was on sale for 15% off. The sales tax in her county is 5%. Let y represent the original price of the DVD. Write an expression that can be used to determine the final cost of the DVD.
y − 0.15y
0.05(0.85y)
y − 0.85y + 0.05y
1.05(0.85y)

Answer 1

Answer:

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Step-by-step explanation:

First, she gets it on sale, so (y-0.15y = 0.85 y)Then, take that 0.85y and multiply it by 1.05 (to add the sales tax). So the result is (0.85 y)(1.05) = 0.8925 y