a car traveling at 87 km/h and a bus leave a toll booth at the same time. twenty minutes later the bus is 3 km farther from the toll booth than the car. what is the average speed of the bus

96 km/h

Step-by-step 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 =

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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