Question

It takes three builders 72 days to complete an extension to a house.
a) Complete the table below showing the relationship between the number of
builders needed and the number of days it takes to complete the job:
Number of builders 1
12
(n)
Number of days (t) А
72
C
D
2
3
6
B​

Answer 1

the incident ray ,the refracted ray and the normal at the point of incidence all lie in the same plane

are you humaria shiek