Question

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.​

Answer 1

Answer:

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Answer 2

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