Nicho drove his car at a speed of 56 km/h for 2 h 30 min.
He then drove another 44 km.
He took 4 h altogether to complete the whole journey.
Find Nicho's average speed for the whole journey.
O 8.6 km/h
O 25 km/h
O 28.3 km/h
O 46 km/h
He then drove another 44 km.
He took 4 h altogether to complete the whole journey.
Find Nicho's average speed for the whole journey.
O 8.6 km/h
O 25 km/h
O 28.3 km/h
O 46 km/h
Jawaban:
1st trip:
Distance = 2 hr 30 min × 56 km/h
= 2,5 × 56
= 140 km
2nd trip: 44 km
Total time: 4h
Average speed = (140+44) km / 4 h
= 184/4
= 46 km/h
Nicho's average speed for the whole journey is 46 km/h