Explanation:
t= how far his scooter can travel on 2.5 gallons of gas
Start by setting up a ratio
53:1= t:2.5
Rewrite as fractions
=
Cross multiply
1(t)= 53(2.5)
Simplify
t= 132.5
Walter's scooter can travel 132.5 miles on 2.5 gallons of gas
I hope this helps!!!