SOLUTION: Three times the age of francis is four more than the age of sally. In three years the sum of their ages will be 30. Find their present ages
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Question 1030952: Three times the age of francis is four more than the age of sally. In three years the sum of their ages will be 30. Find their present ages Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Three times the age of francis is four more than the age of sally. In three years the sum of their ages will be 30. Find their present ages
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3F = S + 4
F+3 + S+3 = 30
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S = 3F-4
S + F = 24
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3F-4 = 24-F
4F = 28
F = 7 (Francis's age)
S = 3F - 4 = 17 (Sally's age)
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Cheers,
Stan H.
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