SOLUTION: robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages.

Algebra.Com
Question 1157965: robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages.
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages.
------------
"robert is 15 years old ..."
He's 15.
==========
63-15 = 48
She's 48

RELATED QUESTIONS

Jason is 6 years older than his sister. Their mother is years older than the sum of their (answered by mxgirl22)
Bob is six years older than his sister, and the sum of their ages is 32. How old is... (answered by Marth)
danny is 4 years older than his sister nancy. The sum of their ages is 36. how old is... (answered by sarcasticpie)
Steve is x years old. His sister is 3 years younger than Steve and his father is 4 times (answered by ikleyn,josgarithmetic)
bob is 6 years older than his sister, and the sum of their ages is 32. how old... (answered by jorel1380)
tyler is six years older than his sister , and the sum of their ages is 32. how old is... (answered by ewatrrr,brysca)
ahmed is 7 years older than his sister if the sun of their ages is 21 years find their... (answered by stanbon)
Sally is 3 years older than Helen. The product of their ages is 70. How old is Helen? (answered by ankor@dixie-net.com,Alan3354)
manu is 4 years older than his sister anu. if the sum of their ages is 20 years, find... (answered by homeworkhedgehog)