Question

There were 15 students in the science club. Another three students joined the club. By what percent did the club’s membership increase?

Answer 1

Answer:

20 percent

because 3 when multiplayed by 5 give 15 so will divide 100 by 5 we get 20

Answer 2

So the answer is 20% as we multiply 3/15 with 100.
Hope it helps you