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22 March, 09:39

1. Billy purchased 20 gallons of gas for $45.00. If each gallon had cost $0.45 less, how many gallons could he

have bought?

+1
Answers (1)
  1. 22 March, 11:09
    0
    25 gallons

    Step-by-step explanation:

    Total Money = $45

    Total Gallons Bought = 20

    Thu,

    Cost Per Gallon = 45/20 = $2.25

    If it costed 0.45 less, the cost per gallon would be: 2.25 - 0.45 = $1.80

    So, for $45.00, at $1.80 per gallon, he could have bought:

    45/1.8 = 25 gallons

    * 5 gallons more
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