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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
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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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