SOLUTION: Four brothers decided to buy a stereo that cost $280. THeir contributions were in the ratio 4:2:3:5. What was the largest single contribution in dollars?

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Question 78803: Four brothers decided to buy a stereo that cost $280. THeir contributions were in the ratio 4:2:3:5. What was the largest single contribution in dollars?
Answer by stanbon(75887) About Me  (Show Source):
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Four brothers decided to buy a stereo that cost $280. THeir contributions were in the ratio 4:2:3:5. What was the largest single contribution in dollars?
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4:2:3:5 is the same as 4x:2x:3x:5x
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EQUATION:
4x+2x+3x+5x=280
14x=280
x=20
The largest single contribution is 5x=$100
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Cheers,
Stan H.