Question

A large pizza at moss costs $6.80 plus $0.90 for each topping. The cost of a large pizza at Lisa's is $7.30 plus$0.65 for each topping. How many toppings need to be added to the pizza in order for the pizzas to cost the same?

Answer 1

The answer to your question is 2 toppings

Explanation:

Data

At Moss

Pizza = $6.80 + $0.90 / topping

At Lisa's

Pizza = $7.30 + $0.65 / topping

Process

Write an equation for each Pizza shop

At Moss Cost = 6.8 + 0.9t

At Lisa's Cost = 7.30 + 0.65j

Evaluate the equations changing the number of toppings until the cost be the same.

Number of toppings Moss Lisa's

1 6.8 + 0.9(1) = 7.7 7.3 + 0.65(1) = 7.95

2 6.8 + 0.9(2) = 8.6 7.3 + 0.65(2) = 8.6

Conclusions

We need to add two toppings in order that the pizzas cost the same.