SOLUTION: A child is 1/3 the age of the older sibling. The sum of their ages is 16. How old is the younger child?
Algebra.Com
Question 255078: A child is 1/3 the age of the older sibling. The sum of their ages is 16. How old is the younger child?
Answer by vksarvepalli(154) (Show Source): You can put this solution on YOUR website!
let the age of the child (younger one) be c
the age of the elder one be s
given c=1/3 s => s=3c
and c+s=16
so c+3c=16 => 4c=16
so c=4
and s=12
so the younger child is 4 years old
RELATED QUESTIONS
A child is 1/3 the age of an older sibling. The sum of the children's ages is 16. How... (answered by checkley77,dbashant)
a child is one third the age of a older sibling. The ages of the two children are 16.What (answered by unlockmath)
The sum of the ages of two children is 16 years. Four years ago, the age of the older... (answered by CubeyThePenguin)
Fred is 8 years older than frank . Francis is 3 years younger than Fred . If the sum of... (answered by josgarithmetic,MathTherapy)
Kathy is seven years older than bill. Sally is five years younger than Kathy. The sum of... (answered by jorel1380,ikleyn,josgarithmetic)