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21 October, 13:21

17. Ms. Harper drove her car 115 miles on 5

gallons of gasoline. At this rate, how many

miles can she travel on a full tank of 15

gallons?

+1
Answers (2)
  1. 21 October, 13:50
    0
    345

    Step-by-step explanation:

    5 goes into 15 3 times so 115 times 3 is 345
  2. 21 October, 16:39
    0
    Set it up as a proportion

    115/5=n/15

    And then you cross multiply

    5•n=15•115

    5n=1725

    n=345 miles
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