The age distribution of a country's population is shown below. Use the information is answer the question below.

Age group (YEARS) Population
0 - 15
16 - 40
41 - 60
Over 60
30%
45%
15%
10%

What is the percentage of the working population?

A.

75%

B.

60%

C.

45%

D.

15%

Correct answer is B

No explanation has been provided for this answer.