Question

A bus travels 30 km in 3 hours and then 40 km in 2 hours. Find its average speed​

Answer 1

Answer:

Materials like air, water, and clear glass are called transparent. When light encounters transparent materials, almost all of it passes directly through them. Glass, for example, is transparent to all visible light. Translucent objects allow some light to travel through them.

Step-by-step explanation:

Answer 2

Answer:

15kmph

Step-by-step explanation:

s=d/t

so s1=30/3= 10

s2=40/2=20

s1+s2/2= 10+20/2=30/2=15kmph