SOLUTION: niel is three years older than his sister together there ages add up to 27 how old are they

SOLUTION: niel is three years older than his sister together there ages add up to 27 how old are they

Algebra.Com

Question 1024638: niel is three years older than his sister together there ages add up to 27 how old are they
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
Make neil's sister = x
neil is x + 3
x + (x + 3) = 27
x + x + 3 = 27
Collect like terms.
x + x = 27 - 3
2x = 24
x = 12.
Neil is 15 years old
Neil's sister is 12 years old.
Hope this helps :-)
RELATED QUESTIONS
John is 4 years older than his sister Mary. Together, their ages add up to 30. How old is (answered by ikleyn)

Chris is 14 years older than his cousin Christina together there ages add up to 56 how... (answered by ikleyn)

Sam is 5 years older than his sister Mary. Together their ages add to be 31. How old are... (answered by Alan3354)

Moe is twice as old as Larry. Moe is five years older than curly. Together Moe, Curly and (answered by FrankM,josgarithmetic,MathTherapy)

jim is 3 years older than his sister kim theirs ages add up to 13 how old is jim and... (answered by stanbon)

There were three brothers. Fernando was two years older than Pedro. Pedro was two years... (answered by Fombitz)

Mary's sister is 7 years older than Mary.Their combined ages add up to 35. How old is... (answered by solver91311)

Billy is three years older than his sister Anne. Together, the sum of their ages is 25.... (answered by josgarithmetic)

Mike is twice as old as his sister. Together their ages add up to 30. How old are Mike... (answered by Alan3354)