The pie chart illustrate the amount of private time a student spends in a week studying various subjects. use it to answer the question below
If he sends \(2\frac{1}{2}\) hours week on science, find the total number of hours he studies in a week
A.
\(3\frac{1}{3}\) hours
B.
5 hours
C.
8 hours
D.
12 hours
Correct answer is D
Let x represent the total number of hours spent per week
\(∴ \frac{75}{360} \times x = \frac{5}{2}\)
\(∴ x = \frac{360 \times 5}{725 \times 2}=12 hours\)