Question

A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h Fat the next 15 minutes. Calculate the total distance covered by the car.​
solution plzz

Answer 1

Answer:

40 km

Explanation:

In 1st case:-

s = 40km/h

t = 15mins = 1/4 hrs

d = ?

so,

d = s × t

d = 40 × 1/4

d = 10km

In 2nd case:-

s = 60km/h

t = 15m + 15m = 30m = 1/2 hrs

d = ?

so,

d = s × t

d = 60 × 1/2

d = 30km

.: total distance is (10 + 30) km = 40 km