To calculate: The cost of Hot Dogs, Popcorn, Soda purchased by Dustin, Luis and Marci.
Answer to Problem 30SGR
The cost of Hot Dogs, Popcorn, Soda are
Explanation of Solution
Given information:
The number of snacks and price paid by Dustin, Luis and Marci is provided below,
Calculation:
It is provided that the number of snacks and price paid by Dustin, Luis and Marci is provided below,
Let price of hot dogs be x , popcorn be y and soda be z .
Consider the system of equations
Take the first and the third equation,
Use the method of elimination to solve the system above.
Subtract both the equations,
Therefore,
Now substitute
Now substitute
Therefore, solution is the coordinate pair,
Thus, the cost of Hot Dogs, Popcorn, Soda are
Chapter 3 Solutions
Algebra 2
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