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 satisfies this data. Draw the graph of the

same.​

Answer 1

Answer:

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. Draw the graph of the

same.

Step-by-step explanation:

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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)

Answer 2

Given :

Yamini and Fatima together contributed Rs.100 .

To Find :

A linear equation and draw its graph .

Solution :

$\longmapsto\tt{Let\:the\:contribution\:of\:Yamini=x}$

$\longmapsto\tt{Let\:the\:contribution\:of\:Fatima=y}$

A.T.Q :

$\longmapsto\tt{x+y=100}$

Putting x = 0 :

$\longmapsto\tt{0+y=100}$

$\longmapsto\tt\bf{y=100}$

Similarly ,

Putting y = 0 :

$\longmapsto\tt{x+0=100}$

$\longmapsto\tt\bf{x=100}$