The unit rate is 0.6 pages is colored per hour
Solution:
Given that, we have to find the unit rate
A unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity.
Knox can color 1/5 of a page of his coloring book in 1/3 of an hour
Thus, the unit rate is pages per hour
Therefore,
We have to find the pages colored in 1 hour
Thus, 0.6 pages is colored per hour