Mr. McBride ordered 6 cheese pizzas and 7 pepperoni pizzas and paid $153.50 for his son's birthday party. He realized he was going to run out of pizza and made a second order. This time, he ordered 2 cheese and 2 pepperoni pizzas and paid $47.00. What is the cost of one pepperoni pizza?
Answers
153.50 for + $47.00 = 6646$
Given : Mr. McBride ordered 6 cheese pizzas and 7 pepperoni pizzas and paid $153.50 .
he ordered 2 cheese and 2 pepperoni pizzas and paid $47.00.
To Find : cost of one pepperoni pizza
Solution:
cheese pizza cost = C $
pepperoni pizza cost = P $
6 cheese pizzas and 7 pepperoni pizzas cost = 153.5 $
=> 6C + 7P = 153.5
2 cheese pizzas and 2 pepperoni pizzas cost = 47 $
=> 2C + 2P = 47
=> C + P = 23.5
=> C = 23.5 - P
6C + 7P = 153.5
=> 6(23.5 - P) + 7P = 153.5
=> 141 - 6P + 7P = 153.5
=> P = 12.5 $
cost of one pepperoni pizza = 12.5 $
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