SOLUTION: Separate 100 into two parts so that one part is 3 times the other.

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Question 316518: Separate 100 into two parts so that one part is 3 times the other.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let the two parts be A and B.
1.A%2BB=100
2.A=3B
Use eq. 2 in eq. 1,
3B%2BB=100
4B=100
highlight%28B=25%29
Then from eq. 2,
A=3%2825%29
highlight%28+A=75%29