Finding the ratio between 5 dozens and 2 scores :
Given that, 1 score=20
Thus, 2 scores=2×20=40
Also, 1 dozen=12
Thus, 5 dozen=5×12=60
Now, Ratio of 5 dozen to 2 scores =6040=64
Now, above ratio can be converted to its simplest form by dividing numerator and denominator by 2, we get
6÷24÷2=32=3:2
Therefore, the ratio of 5 dozen to 2 scores is 3:2.