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The Rodriquez family drove 115 miles on 5 gallons of gasoline. Which of the following equations can be used to find how far they can travel on a full tank of 18 gallons?

User GxG
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115 miles on 5 gallons....115/5 = 23 miles per gallon

so ur equation is : y = 23x....where x is the number of gallons and y is the total miles

for 18 gallons....sub in 18 for x
y = 23x
y = 23(18)
y = 414 miles <=
User Krishnakant
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