Question

4. The strength of a school increased by 20% in one year, and decreased by 20% in
the next year. Is the final strength greater or less than the original one, and by
how much per cent ? Less 4%

Answer 1

Step-by-step explanation:

Suppose the strength is x then new strength will be x+20/100x=120x/100.Then we will find the 20/100 of 120x/100.I hope this solves your question.Mark me as a brainlist