John and 4 friends are going out for pizza for lunch. They split one pizza and 5 large drinks. The pizza cost $10.00. After using a $4.00 gift certificate, they spend a total of $13.50. Write an equation to model this situation, and find the cost of one large drink.

Question

anonymous · Answer

x is the price of drinks and the total amount before the certificate was $17.50.
pizza + drinks = 17.5

$$10+5x=17.5$$

anonymous · Answer

Solve that equation for x to find the price of 1 drink