SOLUTION: Mary bought 3 hamburgers and 2 fries for $19. She then bought 5 hamburgers and 3 fries for $31. What is the price of each individually?
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Question 1103886: Mary bought 3 hamburgers and 2 fries for $19. She then bought 5 hamburgers and 3 fries for $31. What is the price of each individually?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Multiply eq. 1 by 3 and eq. 2 by 2 and subtract 1 from 2 to eliminate F.
Now use either equation to solve for F.
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