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21 March, 21:18

On a Saturday the ratio of the amount of water used by Household A to the amount of water used by Household B was 13:5. Household A used 260 gallons of water for that day. find the total amount of water used by the two household on that Saturday

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  1. T
    21 March, 21:49
    0
    Use a proportion.

    Let A = water used in household A.

    Let B = water used in household B.

    A to B = 13 to 5

    A = 260 gal

    260 to B = 13 to 5

    260/B = 13/5

    13B = 5 * 260

    B = 100

    A + B = 260 + 100 = 360

    The total is 360 gallons.
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Home » Mathematics » On a Saturday the ratio of the amount of water used by Household A to the amount of water used by Household B was 13:5. Household A used 260 gallons of water for that day. find the total amount of water used by the two household on that Saturday
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