David W. answered 04/02/17
Tutor
4.7
(90)
Experienced Prof
Let x = full seating capacity
Translate:
"1020 people, which was 3/5 of the full seating capacity" means
1020 = (3/5) * x [note: in word problems, "of" usually means multiply]
1020 = (3/5)x
(5/3)1020 = x [multiply both sides by (5/3)\
1700 = x [The seating capacity is 1700.]