SOLUTION: How do I write this out into a problem and how would I solve it? William is 1/6 as old as his father but he is five years older than his sister Mary. If the sum of all 3 ages is

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Question 256930: How do I write this out into a problem and how would I solve it?
William is 1/6 as old as his father but he is five years older than his sister Mary. If the sum of all 3 ages is 51 how old is William?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
W-William's age
F-His father's age
M-Mary's age
"is" means equals.
1.W=%281%2F6%29F
2.W=5%2BM
3.W%2BF%2BM=51
Find F and M as a function of only W using eq. 1 and eq. 2, then substitute those in eq. 3 to solve for W.