Question

Find the distance covered if. a) A bost runs for 7 hours at a speed of 20 km per hour​

Answer 1

Answer:

140 km

Step-by-step explanation:

distance's formula- speed x time

Answer 2

Answer:

Downstream speed =

2

20

=10 km.h

Upstream speed =

5

20

=4 km/h

Speed of boat in still water =

2

Upstream+Downstream

=

2

10+4

=7 km/h.