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14 June, 08:35

815 gallons of gas cost $32. How many gallons of gas can Mike buy for

$20?

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Answers (2)
  1. 14 June, 09:10
    0
    509 gallons as 815 gallons divided by 32 = 25.468 and we multiply by 20 to get 509.375 where we round down at 509 to find full gallon, anything less (via decimal) is not a full gallon.
  2. 14 June, 09:54
    0
    39.15 or 39 gallons

    Step-by-step explanation:

    1. create an equation

    815 = 32+20x

    2. get x by itself

    783=20x

    3. divide 20 to both sides of the equal sign

    39.15=x

    4. So Mike can buy 39.15 or 39 gallons of gas for 20$
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