Question

a car travels 30km with a speed of 40km/hr and next 30km with a speed of 20km/hr. calculate the total time taken by the car​

Answer 1

the car travelled 60km at the speed of 30km/hr and reached its destination in 2 hours

Answer 2

t1=v/s

t1= 40÷30

t1= 1.33 hour.

t

and t2 = 20÷30

t2= 0.67 hour= 1 hour o7 minutes.

so total time is = 1.33+ 0.67

= 2 hours.

the total time is 2 hours.