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6 April, 19:38

Last week, burton paid $36.80 for 11 1/2 gallons of gas this week he bought 9 1/4 gallons of gas. The cost per gallon of gas increased by 5% between last week and this week. How much did burton pay for the 9 1/4 gallons of gas this week

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Answers (2)
  1. 6 April, 22:05
    0
    Step-by-step explanation:

    Last week, burton paid $36.80 for 11 1/2 gallons of gas. Converting 11 1/2 gallons of gas to decimal, it becomes 11.5. The rate at which Burton bought one gallon of gas last week would be

    36.80/11.5 = $3.2

    The cost per gallon of gas increased by 5% between last week and this week. The amount by which it increased would be

    5/100 * 3.2 = 0.05 * 3.2 = $0.16

    The cost of one gallon of gas for this week would be

    3.2 + 0.16 = $3.36

    She bought 9 1/4 gallons of gas this week. Converting 9 1/4 gallons of gas to decimal, it becomes 9.25 gallons of gas. The amount that she paid for gas this week would be

    9.25 * 3.36 = $31.08
  2. 6 April, 23:25
    0
    The Answer is $31.08
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