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8 January, 07:59

at hoffman's bike rental, it costs $35 to rent a bike for 9 hour. How many dollars does it cost per hour of bike use?

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Answers (2)
  1. 8 January, 08:22
    0
    Step-by-step explanation:

    This is a straight forward proportion.

    9 hours = 35 dollars

    1 hour = x

    9:1::35:x Cross multiply

    9 hour * x = 1 hour * 35 dollars. Divide by 9

    9 hour / 9 hour x = 1 hour 35 dollars/9 hour

    x = 35/9

    x = $3.89 rounded.
  2. 8 January, 09:11
    0
    Step-by-step explanation:

    35 for 9 hours

    35 / 9 = 3.88888889, about 3.89 per hour
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