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1. Rico drove for 3 hours at a rate of 60 km per hour and another 2 hours at 80 km per hour. What was his average speed for the whole journey?
2. A car travels a distance of 240 km in 3 hours, 140 km in 1 hour, and 200 km in 2 hours. What is the average speed of the car?
Please answer fast and correct with solutions, please.
Thank You!
1. Rico drove for 3 hours at a rate of 60 km per hour and another 2 hours at 80 km per hour. What was his average speed for the whole journey?
2. A car travels a distance of 240 km in 3 hours, 140 km in 1 hour, and 200 km in 2 hours. What is the average speed of the car?
Please answer fast and correct with solutions, please.
Thank You!
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Average speed =total distance ÷ total time
Distance: 60km/h+ 80km/h = 140
Speec:
140km/h÷2hours = 70
70 kph
Average speed =total distance ÷ total time
240km÷3h = 80 kph
140km÷1h = 140 kph
200km/2h = 100 kph
80kph+ 140kph + 100kph= 320kph
320kph/3h = 106.67
106.67 kph