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Mathematics
OpenStudy (anonymous):

The sales tax in one state is 7%. Write a function rule for finding the total cost of an item with selling price x. Then find the total cost of a CD player with a selling price of $150

OpenStudy (anonymous):

total=price + .07(price)

OpenStudy (anonymous):

so would that be 0.07?

OpenStudy (anonymous):

yes .07 is 0.07

OpenStudy (anonymous):

how would I write that out as a function?

OpenStudy (anonymous):

y=x+.07x where x=price of item

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