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Yamini and Fatima, two students of class IX of a school, together contributed Rs. 100 towards the Prime Minister’s Relief Fund to help the earthquake victims.
Write a linear equation which satisfies this data.
(You may take their contributions as Rs. x and Rs. y.) Draw the graph of the same.


Answer :

Let the contributions of Yamini and Fatima together towards the Prime Minster’s Relief Fund to help the earthquake victms are Rs. x and Rs. y, respectively.

Then, by given condition, x + y = 100 … (i)

x0100
y = 100 - x1000
(x, y)B (0, 100)A (100, 0)


Here, we plot the points B (0, 100) and A (100, 0) on graph paper and join all these points to form a line AB.

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