SOLUTION: His friend Rick bought 3 nachos and three sodas for 16.50. What is the cost of a soda?(only an algebraic solution will be accepted)

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Question 1019420: His friend Rick bought 3 nachos and three sodas for 16.50. What is the cost of a soda?(only an algebraic solution will be accepted)
Found 2 solutions by Alan3354, Fombitz:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Not enough info.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You have two unknowns so you need two independent equations to solve for both variables.
You only have one so it can't be solved.
Please repost.