the strength of the school increased by 10% during the one year and then by 20% during the next year the total number of students thenbecome 528 find the original strength of the school
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Step-by-step explanation:
Let x be the original no. of students.
Due to 10% increase, it becomes 110x/100=11x/10 students the next year.
After 2 years: 120/100*11x/10 which is equal to 528.
So, 132x/100=528
x=400
Strength of school=400
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strength of the school is 400
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