math

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How do I figure this: A lunch bill is unknown. J has $8.00; not enough for the total bill. H. pays 3/5 of the bill. How much does H. pay? What's the total bill?

  • math -

    (2/5)L = 8

    L = 8 / (2/5)
    L = 8 * (5/2)
    L = 40/2
    L = 20

    The total lunch bill is $20.

  • math -

    data is not clear.
    Are you saying that J pays his $8 towards the bill?

    Let the total bill be x dollars
    8 + (3/5)x = x
    times 5
    40 + 3x = 5x
    40 = 2x
    x = 20

    the bill was $20

    check:
    H pays 3/5 of that = 12
    J pays 8, for a total of 20

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