Marcus has $5.45. He pays $1.25 for a bus ticket. He will buy some snacks before getting on the bus. Each snack will cost $0.75.

a) Write an equation that can be used to find the maximum number of snacks (x) that Marcus can buy.

b) What is the maximum number of snacks Marcus can buy?


( I've already done it but I don't think I'm right, I just want to be sure. )