The pie chart illustrate the amount of private time a...
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 212 hours week on science, find the total number of hours he studies in a week
313 hours
5 hours
8 hours
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
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