Question

Ms. Liu has $75.00 to spend on pizzas and soda pop for a picnic. Pizzas cost $9.00 each and the drinks cost $0.75 each. She bought 5 pizzas. What is the maximum number of drinks that she can buy?

Answer 1

I think it is 5 drink that she can buy.

Answer 2

Answer: The answer is 5 pizzas

9p + .75d = 75.00

5p = d

by substitution,

9p + .75(5p) = 75

12.75p = 75

p=5.88