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Math

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The charges on a monthly water bill came to $0.86 per cubic meter of water used, plus a service charge of $4.49.
Last month Jeremy's water bill came to $69.85, how many cubic meters of water had he used?

  • Math - ,

    charge = .86x + 4.49

    if charge = 69.85

    69.85 = .86x+4.49
    .86x = 65.36
    x = 76

  • Math - ,

    69.85 - 4.49 = 65.36

    65.36 / 0.86 = 76 cubic meters

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