Answer: 2.375 per book
Step-by-step explanation:
Answer:
use: E = P x t
Step-by-step explanation:
E = energy = J
P = power = W
t = time = s
Answer: 
Step-by-step explanation:
Let 'x' be the height of tree.
The length of shadow of a tree = 14 m
The length of shadow of a person =4 m
The height of person = 1.8 m
<em>Since both man and tree are standing vertical to the ground.
</em>
<em>Assume the formation of shadow is happening at the same time then the angle that the sun hits the earth making shadows of both person and tree will be equal.</em>
By direct proportion , we have

x - hip-hop CDs
x+3 - rock CDs

6 hip-hop CDs, 9 rock CDs