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
Similar Questions
If tan x = \frac{4}{3}, 0^o < x < 90^o, find the value of sin x - cos x...
Suppose x varies inversely as y, y varies directly as the square of t and x = 1, when t = 3. Fi...
Find the roots of the equations: 3m^2 - 2m - 65 = 0...
Evaluate \frac{2\sin 30 + 5\tan 60}{\sin 60}, leaving your answer in surd form....