SOLUTION: The century club runs the concession stand during football games. They sell snacks and drinks. •50 snacks and 180 drinks will sell for $320 •75 snacks and 100 drinks will sell f

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Question 1025381: The century club runs the concession stand during football games. They sell snacks and drinks.
•50 snacks and 180 drinks will sell for $320
•75 snacks and 100 drinks will sell for $225
How much does each drink sell for
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
50S%2B180D=320
1.5S%2B18D=32
.
.
75S%2B100D=225
2.15S%2B20D=45
Multiply eq. 1 by 3 and subtract from eq. 2,
15S%2B20D-15S-54S=45-96
-34D=-51
D=1.50
Now use either equation to solve for S.