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Mathematics 8 Online
OpenStudy (anonymous):

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? A. 5/115=18/x B. 5/115=x/18 C. x/115=5/18 D. 115/5=18/x

OpenStudy (anonymous):

i think its b

OpenStudy (mysticfury):

well first we must decide how far we can travel on 1 gallon of gas

OpenStudy (anonymous):

yeah

OpenStudy (mysticfury):

so 115 divided by 5 is 23 so 23 miles on one gallon which dosent really matter for the question

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

so x/18 is right

OpenStudy (mysticfury):

hmm the thing i dont understand is that x/18 is correct but 5/115 isnt then vice versa for D

OpenStudy (mysticfury):

but for sure the answer is B or D

OpenStudy (anonymous):

yeah that is what i thought

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