Winning CB scholarship problem

I’m unable to understand the question and so unable to solve it. Can someone please try to explain this problem to me?

Hey @patnamsainikhil Let us take the given example.
N = 7 M = 10 X = 3 Y = 2
Here Y means that if we make student pay for coupons then amount will be equivalent to Y coupons. In short it means that among 7 student if one is weak then we will be having totals coupons = M+Y = 12 so now we have 12 coupons which we can use distribute among others and now after since we need 3 coupons for full scholarship we can give 4((M+Y)/X) students full scholarship. SO the answer comes out to be 4.

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