SOLUTION: Twice Martina's age decreased by Mario's age is 6. Three times Martina's age increased by twice Mario's is 23. What are the two numbers?
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-> SOLUTION: Twice Martina's age decreased by Mario's age is 6. Three times Martina's age increased by twice Mario's is 23. What are the two numbers?
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Question 1063213: Twice Martina's age decreased by Mario's age is 6. Three times Martina's age increased by twice Mario's is 23. What are the two numbers? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Twice Martina's age decreased by Mario's age is 6. Three times Martina's age increased by twice Mario's is 23. What are the two numbers?
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r - t = 6
3r + 2t = 23
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Modify for elimination:
2r - 2t = 12
3r + 2t = 23
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Add and solve for "r"::
5r = 35
r = 7 (Martina's age)
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Solve for "t"::
r - t = 6
7 - t = 6
t = 1 (Mario's age)
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Cheers,
Stan H.
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