SOLUTION: There were three brothers. Fernando was two years older than Pedro. Pedro was two years older than Samuel. Together their ages add up to 63 years. How old is Samuel?

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Question 316850: There were three brothers. Fernando was two years older than Pedro. Pedro was two years older than Samuel. Together their ages add up to 63 years. How old is Samuel?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.F=P%2B2
.
.
.
P=S%2B2
2.S=P-2
.
.
.
3.F%2BP%2BS=63
Substitute eq. 1 and eq. 2 into eq. 3,
P%2B2%2BP%2BP-2=63
3P=63
P=21
Then
F=P%2B2=23
S=P-2=19
.
.
.
Sam is 19, Pedro is 21, Fernando is 23