SOLUTION: 1. Trevor was assigned to order pizza and wings for a big party. The local pizza place charges $13 for large pizzas and $7 for jumbo orders of wings (both tax included). He figures

Question 905811: 1. Trevor was assigned to order pizza and wings for a big party. The local pizza place charges $13 for large pizzas and $7 for jumbo orders of wings (both tax included). He figures he needs 10 items total and has a budget of $106. How many of each did he buy?
To get full credit, you must do the following:
*Write an equation. (Hint: It will only use one variable.)

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a+b=10,
13*a+7*b=106
a=10-b
13*(10-b)+7*b=106
130-13b+7*b=106
-6*b=-24.0
b=4.0 wings
a=10-b
a=6 pizza at $13 b=4 wings. at $7
check
13*6+7*4=106
78+28=106
106=106
ok

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