SOLUTION: Could you please help me here with this problem. When Sara is asked about her age she says she does'nt know but all she knows is that she is half her mother's age thou she does'nt

Question 854376: Could you please help me here with this problem. When Sara is asked about her age she says she does'nt know but all she knows is that she is half her mother's age thou she does'nt know her mom's age either but she knows that her daddy is 5 years older than her mom and when you add their ages,it sums up to 100years so how old is Sara,Her Mom and her Daddy?
Answer by chndnbl(31) (Show Source): You can put this solution on YOUR website!
Let sarah age be x.
Mother age=2x
father age =2x + 5
sum of the ages =100
x + 2x + 2x +5 = 100
5x = 100 - 5
5x = 95
x = 95/5
x =19
sarah age=19
mother age=2*19=38
father age=38+ 5=43
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