Math

Matthew and May want to buy a birthday present for their mother. May has 3 times as much money as Matthew. The birthday present costs $50. After buying the birthday present,they have $70 left. How much money dose Matthew have at first?

asked by Donovan
  1. Matt had x
    May had 3x

    4 x - 50 = 70

    4 x = 120

    x = 30
    =======================
    check
    Matt 30
    May 3*30 = 90
    sum = 120
    120 = 50+70

    posted by Damon

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