Question

the streagth of a school is increased by 30% in the first year and decreased by 10%in the second year .if the sterngth of the school now is 1404.find the original sterngth of the school

Answer 1

let strength 100% increased 30%=130%
and then decrease 10%=117%
now 117%=1404(117*12=1404)
soo 100*12=1200
soo strength of School is 1200..

Answer 2

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