Verified Answer :

So if you go 720 miles in 8 hours, you would travel at a speed of:
720 miles / 8 hours = 90 miles per hour.

So in 1 hour, you would have traveled:

90 miles per hour * 1 hour = 90 miles.

(The gallons is irrelevant to the problem)

apologiabiology

720 in 8 hours
the ratio is 720 to 8 or 720:8
this can be like fraction as 720/8
simplify it since 8=hours and you want 1 hour
720/8=360/4=180/2=90/1
90  mles in 1 hour on 4 gallons

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