SOLUTION: half a number is three times than another number calculate the value of the numbers if the difference between them is 12

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Question 746046:

half a number is three times than another number calculate the value of the numbers if the difference between them is 12

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
x/2=3y or x=2*3y=6y
x-y=12
6y-y=12
5y=12
y=12/5
y=2.4 ans.
x=6*2.4
x=14.4 ans.
Proof:
14.4/2=3*2.4
7.2=7.2