Solution Step 0/0
A child's age (in full years) increased by 3 years gives a number which when square rooted results in a number obtained if the child's age is decreased by 3 years.
How old is the child?
How old is the child?
Explanations
Squares which can be considered 3 years older than a child's age are 4, 9, 16. Of these, only 9 gives its square root equal to a number when you subtract the same 3 from the original age. The child's age is 6.Check 4
Check 5
Check 6
Check 7
