Answer:
96 km/h
Explanation:
Speed of car = 87 km/h
Time = 20 minutes =

Distance traveled by bus = 3 km more than that of traveled by car
To find
Average speed of bus = ?
Solution:
Formula for distance traveled is given as:

So, distance traveled by car in 20 minutes = 87
= 29 km
As per given statement, distance traveled by bus = 29 + 3 = 32 km
Time taken =

Using the formula:

Speed of the bus =
