Question

Mick paid $2.94 in sales tax on an item that cost $42.00 before tax. At that rate how much would he pay in sales tax for an item that costs $58.00 before tax? Show your work.

Answer 1

p/58=2.94/42
p=58(2.94/42)
p=203/50 or $4.06
by ratio, you can find price/cost=price/cost.