SOLUTION: The sum of two numbers is 60. The second number is three times as large as the first number. What are the numbers?

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Question 83239: The sum of two numbers is 60. The second number is three times as large as the first number. What are the numbers?
Answer by Mona27(45)   (Show Source): You can put this solution on YOUR website!
Call the numbers x and y.
Their sum is 60:
So x+y=60
The second number is three times as large as the first:
y=3x
Now substitute from the second equation into the first:
x+3x=60
4x=60
x=15
and consequently y=45

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