# Answer to Question #43019 in Other Math for xhyrhyn

Question #43019

One number is four times another.The sum of both numbers and 12 is 37.Find the number

Expert's answer

Let the first number is x and the second is y. Then x=4y and x+y+12=37. Therefore we get

x=4y

x+y=25

substitute the first equation into the second

4y+y=5y=25

therefrom y=5 and x=4*5=20.

Answer: 5 and 20.

x=4y

x+y=25

substitute the first equation into the second

4y+y=5y=25

therefrom y=5 and x=4*5=20.

Answer: 5 and 20.

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