The pie chart illustrate the amount of private time a student spends in a week...
MATHEMATICS
WAEC 1999
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
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- A. \(3\frac{1}{3}\) hours
- B. 5 hours
- C. 8 hours
- D. 12 hours
Correct Answer: D. 12 hours
Explanation
Let x represent the total number of hours spent per week
\(∴ \frac{75}{360} \times x = \frac{5}{2}\\
∴ x = \frac{360 \times 5}{725 \times 2}=12 hours\)
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