SOLUTION: three numbers are in the ratio of 1:3:5,if their sum is 189,what is the largest number?

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Question 949425: three numbers are in the ratio of 1:3:5,if their sum is 189,what is the largest number?
Answer by stanbon(75887) About Me  (Show Source):
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three numbers are in the ratio of 1:3:5,if their sum is 189,what is the largest number?
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1:3:5 is the same as x:3x:5x
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Equation:
x + 3x + 5x = 189
9x = 189
x = 21
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3x = 63
5x = 105
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Cheers,
Stan H.
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