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Web Results For:The ratio of john's money to Peter's money was 4:7 at first. After john spent 1/2 of his money and Peter spent $60. Peter had twice as much money as john. How much money did john have at first?

  • math -

    let amount of John's money be 4x
    let amount of Peters money be 7x

    after transaction, John has 2x
    Peter has 7x-60

    7x-60 = 2(2x)
    3x = 60
    x = 20
    John at first had $80 and Peter had $140

    check:
    John spent half his money , so he has $40 left
    Peter spent $60, so he has $80 left
    Does Peter have twice as much as John? YES!

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