Solve problems involving average rate and speed M6ME-IIIg-18

Jun is walking along the street at 1m/sec. How far will hewalk in 30 seconds?

• 30 m

• 36 m

• 42 m

• 45 m

A rocket is travelling at 2,659 km/hr. How long will it take to cover a distance of 18,550 km?

• 20 h

• 7h

• 5 h

• 3 h

Joy travelled 65 kph for 3 hours, 85 kph for 4 hours and 75 kph for 3.50 hours. What was his speed for the 3 trips?

• 74.95 kph

• 75.95 kph

• 76.95 kph

• 77.95 kph

A car travelled at 60 kph for the first 4 hours and 75 kph for the next 5 hours. What is the average speed of the car for the entire trip?

• 83.63 kph

• 86.33 kph

• 63.83 kph

• 68.33 kph

A toy moved 300 cm in 5 seconds. Find its speed.

• 30 cm/sec

• 40 cm/sec

• 50 cm/sec

• 60 cm/sec

An ambulance travels 200 km in 8 hours. Calculate the average speed.

• 20 kph

• 25 kph

• 30 kph

• 35 kph

Joseph ran a distance of 1800 m in 8 minutes. He ran another 3200 meters in 12 minutes. Find Joseph's average speed for the distance he covered.

• 150 m/min

• 200 m/min

• 250 m/min

• 300 m/min

A marble rolled 3.5 m in 14 seconds. Find its average speed.

• 25 m/sec

• 50 m/sec

• 0.50 m/sec

• 0.25 m/sec

In a 9 km walk-a-thon, Janet walked at an average speed of 6 kph for the first 3 km and at an average speed of 4 kph for the remaining distance. What was her average speed?

• 4.50 kph

• 45 kph

• 0.45 kph

• 4 kph

Maylene travelled the first 2 hours of her trip at 70 kph and the last 3 hours of his trip at 80 kph. What is the average speed of travel for his entire trip?

• 75 kph

• 75.5 kph

• 76 kph

• 76.5 kph