SOLUTION: Grant is thinking of two numbers. He says that one of the numbers is twice the other number and the sum of the number is 39. What are the numbers?

Question 646225: Grant is thinking of two numbers. He says that one of the numbers is twice the other number and the sum of the number is 39. What are the numbers?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
one of the numbers is twice the other number and the sum of the number is 39. What are the numbers?
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Equations:
x = 2y
x + y = 39
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Substitute for "x" and solve for "y":
2y + y = 39
3y = 39
y = 13
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Solve for "x":
x = 2y
x = 26
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Cheers,
Stan H.
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