Math, asked by shalinegirdharry, 1 month ago

Mrs Paul has 40 books to donate to various class room at school how many will each classroom get if there are 2 class rooms,4 class rooms ,5 class rooms 8 class rooms 10 class rooms 20 class rooms

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Answered by aditya5037

Answer:

Let the number of students in classroom A be x Let the number of students in classroom B be y. If 10 students are transferred from A to B then we have: x – 10 = y + 10 ⇒x – y = 20 …..i If 20 students are transferred from B to A then we have: 2y – 20 = x + 20 ⇒2y – 40 = x + 20 ⇒ -x + 2y = 60 …..iiOn adding i and ii we get: y = 20 + 60 = 80 On substituting y = 80 in i we get: x – 80 = 20 ⇒x = 20 + 80 = 100 Hence the number of students in classroom A is 100 and the number of students in classroom B is 80.

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Mrs Paul has 40 books to donate to various class room at school how many will each classroom get if there are 2 class rooms,4 class rooms ,5 class rooms 8 class rooms 10 class rooms 20 class rooms​

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Mrs Paul has 40 books to donate to various class room at school how many will each classroom get if there are 2 class rooms,4 class rooms ,5 class rooms 8 class rooms 10 class rooms 20 class rooms