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.
Answers
Answer:
x 0 50 100
y 100 50 0
Let the contribution of Yamini be x and that of Fatima be y.
According to problem, x+y=100 ...(1)
Now , putting the value x=0 in (1)
0+y=100
y=100
So, the solution is (0,100)
Putting the value x=50 in (1)
50+y=100
y=100–50
y=50
So, the solution is (50,50)
Putting the value x=100 in (1)
100+y=100
y=100–100
y=0
So, the solution is (100,0)
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