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strent45
strent45
03.12.2019 • 
Mathematics

16) during an electronic store's sale days, the regular price for cd players is discounted $10. there is a
state sales tax of 5%, and the $10 discount is applied before the sales tax is calculated.

a) write an expression that shows the regular price r of a cd player minus the $10 discount.

b) write a rule for the function p(r) that expresses the final price p of a cd player with the discount
applied and sales tax included.

c) how much would you pay during sale days for a cd player regularly priced at $29.50?

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