Problem Solving: Read and analyze the problem. Type the final answer with the correct unit.
21) An electrician took 8 hours to complete a job. He charged 6 000 pesos for his services. What is the electrician's hourly rate?
22-23) Russel took 50 minutes to finish the 50-item test. The same test took Bern 1 and 12 hours to finish. Find the ratio of Bern's time to Russel's time.
24-25) The average speed of a motorcycle for the first 2 hours is 65 kph. Its average speed for the next 3 hours is 85 kph. Find the average speed for the whole trip.
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2. 65:90
3. 75.8kph