Answer:
65
Step-by-step explanation:
The least number of books that could be in the box is 30. The number of books in the box could be any number that is a multiple of 30.
Answer:
Constant of proportionality = 30
Example: r = 6, V = 5
Step-by-step explanation:
Inverse proportion: V*r = constant
Given r=3, V=10, constant = V*r = 30
Example:
r = 6, V = 30/6 = 5