Question 913259: One number is 2/3 of another number. The sum of the two numbers is 20. Find the two numbers. Use a comma to separate your answers. Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! One number is 2/3 of another number. The sum of the two numbers is 20. Find the two numbers. Use a comma to separate your answers.
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Let x = one of the numbers
then from "One number is 2/3 of another number." we have
(2/3)x = second number
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x + (2/3)x = 20
multiply both sides by 3:
3x + 2x = 60
5x = 60
x = 12
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second number:
(2/3)x = (2/3)12 = (2)4 = 8
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answer: 8,12
