Peter used a $5.00 gift certificate to help pay for his lunch.After adding a 15% tip cost of his meal, Peter still had to pay $2.36 in cash. how much did Peter's meal cost?

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Violetta -Peter paid $7.36 ($5.00 + $2.36) for the meal including tip.  Agree?Now to find out how much the meal cost before tip, use this equation to solve for M (the meal cost):$7.36 = M + M(.15), or simplified$7.36 = 1.15MNow just solve for MHope that helps

Peter's meal actually cost $8.11