Answer :

well, 3/4 of 20 is equivalent to 15, and 3/5 of 20 is equivalent to 12, so the expression would be...
20-12=?
So, (3/4)20-(3/5)20= 8
The answer is 8

Answer:

3

Step-by-step explanation:

 =   (3/4 * 20) - (3/5 *20)

 =      15   -   12

answer  = 3