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5 September, 06:59

People use water to cook, clean, and drink every day. An estimate of 26.5 % of the water used each day is for cleaning. If a family uses 68.9 gallons of water a day for cleaning , how many gallons do they use every day?

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  1. 5 September, 08:01
    0
    Answer: 260 gallons

    Step-by-step explanation:

    An estimate of 26.5 % of the water used each day is for cleaning and a family uses 68.9 gallons of water a day for cleaning ,

    Percentage of water used for cleaning = 26.5%

    Gallons of water used for cleaning = 68.9

    Let the number of gallons used everyday be represented by g. This will give:

    26.5% of g = 68.9

    26.5/100 * g = 68.9

    0.265 * g = 68.9

    0.265g = 68.9

    Divide both side by 0.265

    0.265g/0.265 = 68.9/0.265

    g = 260

    260 gallons of water are used everyday.
  2. 5 September, 08:13
    0
    This familly uses 260 gallons dayly.

    Step-by-step explanation:

    Since we were given the amount of water this family uses for cleaning we can use a rule of three to know how many gallons they use dayly. This is done by realting 68.9 gallons to 26.5% and solving for 100%. We have:

    68.9 gallons - > 26.5%

    x gallons - > 100%

    68.9/x = 26.5/100

    26.5*x = 68.9*100

    26.5*x = 6890

    x = 6890/26.5 = 260 gallons

    This familly uses 260 gallons dayly.
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