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?

asked Oct 28, 2020 33.2k views

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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?

5.4k points

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4 votes

Answer:

345

Explanation:

5 goes into 15 3 times so 115 times 3 is 345

KauDaOtha answered Oct 30, 2020

5.4k points

6 votes

Set it up as a proportion

115/5=n/15
And then you cross multiply
5•n=15•115
5n=1725
n=345 miles

RACkle answered Nov 3, 2020

5.1k points

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