SOLUTION: A person was in charge of ordering 38 pizzas for the office party. He ordered three types of pizza: cheese pepperoni and supreme. the cheese pizza cost $6 each the pepperoni cost $

Algebra.Com
Question 1026032: A person was in charge of ordering 38 pizzas for the office party. He ordered three types of pizza: cheese pepperoni and supreme. the cheese pizza cost $6 each the pepperoni cost $9 each and the supreme pizza's cost $12 each. He spent exactly twice as much on the pepperoni pizza's as he did on the cheese pizza's. If the person spent a total of $336 on pizza how many of each type did he buy?
Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
Try to summarize price information as a table. 
cheese           6
pepperoni        9
supreme         12


List the cost of each pizza type bought.
Variables for how many of each type may be c for Cheese, p for Pepperoni, s for Supreme.
cheese           6c     
pepperoni        9p
supreme         12s

"He spent.....",
becomes .

There are two other equations which come from the description.


The more complete system to solve is this:
.

Simplify the system and solve it for c, p, and s.
RELATED QUESTIONS

A person was in charge of ordering 26 pizzas for the office party. He ordered three types (answered by greenestamps)
A person was in charge of ordering 2626 pizzas for the office party. He ordered three... (answered by ikleyn)
Ben was in charge of ordering 35 pizzas for the office party. He ordered three types of... (answered by josmiceli)
A person was in charge of ordering 35 pizzas for an office party. He ordered three types... (answered by TimothyLamb)
Ben was in charge of ordering 35 pizzas for the office party. He ordered three types... (answered by richwmiller)
Ben was in charge of ordering 16 pizzas for the office party. He ordered three types... (answered by Boreal,jorel1380,stanbon,MathTherapy)
Ben was in charge of ordering 30 pizzas for the office party. He ordered three types of... (answered by stanbon)
Ben was in charge of ordering 32 pizzas for the office party. He ordered three types of... (answered by Fombitz,jorel555)
Ben was in charge of ordering 35 pizzas for the office party. He ordered three types of... (answered by Fombitz)