Question 35
Linear and Simultaneous EquationsA messenger was paid N2.50 an hour during the normal working hours and N4.00 an hour during overtime. If he received N31.00 for 10 hours work, how many hours are for overtime?
- A.2
- B.3
- C.4
- D.6
Show the answer and explanation
Answer: C (4)
Explanation
Let t be overtime hours: 2.5(10 − t) + 4t = 31, so 25 + 1.5t = 31 and t = 4.