7 answers
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yes, yes
Tax=1/16* price
cost=tax+price=1/16 price+price=17/16* price
a. Is the amount of tax collected proportional to the cost of an item before tax is added?
b. Is the amount of tax collected proportional to the cost of an item after tax has been added?
Tax=1/16* price
cost=tax+price=1/16 price+price=17/16* price