A car travels 90 miles on 5 gallons of gas. How do you give the ratio of miles to gallons as a rate in miles per gallon?

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Answer 1 · 2018-06-03T11:52:04

Set up the ratio as a fraction and divide by the gallons.

# 90/5 = 18/1#

The ratio is 18 miles/gallon

Answer 2 · 2018-06-03T15:11:04

#18 \ "miles/gallon"#

Simply divide the number of miles driven by the number of gallons used.

#(90 \ "miles")/(5 \ "gallons")#

#=18 \ "miles/gallon"#