Question

If a car travels a distance with 20% less speed, then it will reach 15 minutes late. What is
the usual time (in minutes) taken by the car to travel the same distance?
new methode​

Answer 1

Answer:

1 minute

Step-by-step explanation:

Solve by following the procedure shown

Answer 2

Answer:

60

Step-by-step explanation:

Given: 20% less speed i.e 80% =80/100 =4/5

To find usual time, t =  n/d-n * t

i.e t= 4/1 *15 =60