Question

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?

Answers
1. 9/3 = 54/x
2. 9/54 = x/3
3. 54/3.5 = x/9
4. 54/9 = 3.5/x

Answer 1

$\large\mapsto\boxed{ \sf \green{Answer}} \:$

54/3.5 = x/9