Question
Cynthia is three years old than Dina. The sum of their ages is 31. Find their ages.
Answers
Ms. Sue
x + (3+x) = 31
3 + 2x = 31
2x = 28
x = 14
Dina must be 14.
3 + 2x = 31
2x = 28
x = 14
Dina must be 14.