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Question

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 the given data will satisfy and also plot its graph.

A
x+y=100
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B
x+y=112
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C
x+y=50
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D
x+2y=100
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Solution

The correct option is A: x+y=100

Let the contribution of Yamini be Rs. x and that of Fatima be Rs. y.

Then, x+y=100 is the required linear equation.

Now, to draw its graph let us find out its co-ordinate on XY-plane.

x0100y1000

300753_242852_ans.png


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