in a class test, the sum of shefali 's marks in mathematics and English is 30. had she got 2marks more in mathematics and 3 marks less in English , the product of their marks would have been 210. find her marks in the two subjects.
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Let marks obtained by Shefali in English be x
Let marks obtained by Shefali in Maths be y
Given : x + y = 30 and (y+2)(x-3)=210
=> xy + 2x - 3y - 6 = 210
By using trial and error method you can get the answer
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