Question

4. There were 2000 students at the university.

After some students graduated, there were
1600 students remaining. By what percent did
the number of students at the university
decrease?

Answer 1

20%

Explanation:

2000-1600=400

400/2000=1/5=20%

Answer 2

20%

Explanation:

you take away the zeros and make it 16/20. 16/20=80%. 100%-80%=20%