Problema Solution
Karen's age is 7 years more than 9 times the age of her niece Emma. If the sum of their ages is 57, what is Emma's age.
Answer provided by our tutors
Let
x = Emma's age
7 + 9x = Karen's age
The sum of Emma's and Karen's ages is 57:
x + (7 + 9x) = 57
........
click here to see the equation solved for x
........
x = 5 years
Emma is 5 years old.