Answer :
.2×20,000 people = 4,000 people at Gainesville college
Another way to look at it:
.2 is 1/5 of 1
20,000×1/5 (Or 20,000÷5)= 4,000
Another way to look at it:
.2 is 1/5 of 1
20,000×1/5 (Or 20,000÷5)= 4,000