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

The correct answer is D. 12 hours

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\)

Previous question Next question