What is the difference in age between the mother and son after she returns back to Earth?
A)7.0 years
B)16.8 years
C)23.0 years
D)30.0 years
E)37.0 years

Question

Quizplus · Accepted Answer

The mother was 30 years old when she left Earth, and her son was 10 years old. When she returned to Earth, her son was 37 years old. So the difference in age between the mother and son after she returned back to Earth is 37 - 30 = 7 years.

What Is the Difference in Age Between the Mother and Son