Question

The strength of a school increased by 10% during one year and then by 20 % during the next year. The total number of students then became 528. Find the original strength of school.

Answer 1

to find the 20% of 528 subtract that from 5:28 then what is the value came find the 10% of that value and then subtract the that value from that and u will get the answer ok it's very very simple