SOLUTION: I am trying to answer this question from openupresources.org.
A restaurant offers delivery for their pizzas. The total cost is a delivery fee added to the price of the pizzas. O
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Question 1172173: I am trying to answer this question from openupresources.org.
A restaurant offers delivery for their pizzas. The total cost is a delivery fee added to the price of the pizzas. One customer pays $25 to have 2 pizzas delivered. Another customer pays $58 for 5 pizzas. How many pizzas are delivered to a customer who pays $80?
What are the steps to answering this type of question?
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Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A restaurant offers delivery for their pizzas. The total cost is a delivery fee added to the price of the pizzas. One customer pays $25 to have 2 pizzas delivered. Another customer pays $58 for 5 pizzas. How many pizzas are delivered to a customer who pays $80?
What are the steps to answering this type of question?
===========================
It's not stated but implied that all pizzas cost the same. Assuming that's true:
----
d = delivery fee
p = pizza cost
------
2p + d = 25
5p + d = 58
------------------------ Subtract
-3p = -33
p = $11
2*11 + d = 25
d = $3
=================
How many pizzas are delivered to a customer who pays $80?
11p + 3 = 80
11p = 77
p = 7 pizzas
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