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 and Rs ). Draw the graph of the same.

**Solution:**

Let contribution made by Yamini = Rs

Let contribution made by Fatima = Rs

According to given condition, we have

To draw graph of , we will find 3 or 4 set of solutions.

Putting in the equation , we get

Therefore, is one of the infinite possible solutions.

Similarly, putting in the equation , we get

Therefore, is one of the infinite possible solutions.

Putting in the equation , we get

Therefore, is one of the infinite possible solutions.

Therefore, three different solutions for equation are:

Now, we plot all these three points on the Cartesian plane. When we join these points, it makes a straight line.