SOLUTION: you have 5 large cans of tuna plus 4 large cans of cranberry sauce costs a total of $36.81 and 7 large cans of tuna plus 3 cans of cranberry sauce costs a total of $42.20. find the

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Question 1058834: you have 5 large cans of tuna plus 4 large cans of cranberry sauce costs a total of $36.81 and 7 large cans of tuna plus 3 cans of cranberry sauce costs a total of $42.20. find the total cost of 1 large can of tuna plus 1 large can of cranberry sauce.
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
Let t be cans of tuna, and c be cranberry cans. Then:
5t+4c=3681 and
7t+3c=4220
So:
15t+12c=11043
28t+12c=16880
13t=5837
t=449
c=359
Tuna costs $4.49/can; cranberry sauce costs $3.59/can. ☺☺☺☺