Question

A car travels at the rate of 25 kmh for 4 l ninutes, then at 50 kmh for 80 minutes and finally at 20 kmh for 20
minutes. Find the total distance covered in km​

Answer 1

Answer:

about 75 km

Step-by-step explanation:

1st condition,

speed = 25km/h

time = 4 min= 4/60 hr = 1/15

distance = speed× time= 25×1/15 = 5/3 km = 1.66Km

second condition,

speed = 50km/h, t =80min= 80/60= 4/3 hr

distance covered= 50×4/3=200/3=66.66

3rd condition, speed = 20km/h, t =20 min = 20/60 =1/3 hr

distance covered 20× 1/3= 6.66km

total covered distance 1.66 +66.66+6.66= 75 km