Two students Riya and Richa contributed a part of their pocket money to the PM's Covid Relief Fund. Riya's contribution was two times that of Richa's. Together they contributed Rs.1500. Write a linear equation in two variables which satisfies this data.
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Given Neha’s contribution towards the Prime Minister’s Relief Fund=x
Richa’s contribution towards the Prime Minister’s Relief Fund=y
Now since it is said that they together contributed Rs.100 to Prime Minister’s Relief Fund, hence we can write
x+y=100
So the linear equation for the given data is x+y=100
Now let us assumex=0
, hence we can write the equation y=100
Also when we substitutey=0
in the equation we get x=100
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