SOLUTION: You pay $27.50 total for your meal after tax and tip. How much is your pretax and pre tip total if your sales tax is 10% and tip was 15%. Is there an equation for this? I know the

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Question 1096451: You pay $27.50 total for your meal after tax and tip. How much is your pretax and pre tip total if your sales tax is 10% and tip was 15%. Is there an equation for this? I know the answer is $22 because if you tipped from that amount, it would be $3.30. Your tax would be $2.20. Those 3 numbers add up to $27.50.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+.10x+.15x=27.50
1.25x=27.50
x=27.50/1.25
x=22