Jodi went 54 miles on 3.5 gallons of gas, and she wants to know how far she can go on 9 gallons of gas. Which proportion would be useful to solve the problem?
A)
9
3
=
54
x
Eliminate
B)
9
54
=
x
3
C)
54
3.5
=
x
9
D)
54
9
=
3.5
x
C is your answer because of the fact that it sets the proportion needed to answer the question which the question would be how many miles can she drive on 9 gallons of gas.
so the correct proportion is 54   x                                            _     _                                           3.5   9 ! Then your answer would be she can drive about 139 miles if she has 9 gallons of gasoline.    : )
