SOLUTION: One number is 3 times another. If the sum of their reciprocals is 1/5 , find the two numbers.

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Question 80130: One number is 3 times another. If the sum of their reciprocals is 1/5 , find the two numbers.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
One number is 3 times another. If the sum of their reciprocals is 1/5 , find the two numbers.
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One number is "x" ; the other is "3x"
EQUATION:
1/x + 1/3x = 1/5
Multiply thru by 15x to get:
15 +5 = 3x
20 = 3x
x=(20/3) ----this is one of the numbers
3x= 20 ----this is the other number
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Cheers,
Stan H.