Math
posted by Angie .
How do you solve this problem:
Jack brought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. What is the cost of one slice of mushroom pizza?
a. $1.50
b. $2.00
c. $3.00
d. $3.50

this is same type of question you had in
http://www.jiskha.com/display.cgi?id=1243260035
follow the same procedure PC and I suggested then. 
ok
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