SOLUTION: With a 5% sales tax added on, you pay $21.50. What is the cost of the food before tax?

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Question 248049: With a 5% sales tax added on, you pay $21.50. What is the cost of the food before tax?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
let x= cost of food before taxes
the food cost 1.00*x
the tax cost .05x
1.00+.05x=1.05x
1.05*x=21.50