Tom delivers newspapers every morning. Today he did the following:
Delivered 10 newspapers on Flinders Street
Delivered 6 newspapers on Collins Street
Picked up 20 newspapers from the newsagent
Delivered 15 newspapers on Lonsdale Street
When Tom returned home there were eight newspapers in his bag.
How many did Tom start with?

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

step-by-step explanation:

3000000000000000000000

sorry not knowing about that