Question

When rupa was born, his father was 25years old. form an equation and draw a graph for this data.

Answer 1

Answer:Let Rupa age = x

Her father age = y

When Rupa age = 0, then father age = 25

this mean

x=0,y=25

(x,y)=(0,25)

and from now onwards

y−x=25 ( age increases of both person, diff. remains constant.)

From graph  

(i) The age of the father when Rupa is 25 years old.

at x=25 y=50

(ii) Rupa's age when her father is 40 years old.

at y=40 x=15

Step-by-step explanation:

Answer 2

Answer:

Let Rupa age = x

Her father age = y

When Rupa age = 0, then father age = 25

this mean

x=0,y=25

(x,y)=(0,25)

and from now onwards

y−x=25 ( age increases of both person, diff. remains constant.)

From graph

(i) The age of the father when Rupa is 25 years old.

at x=25 y=50

(ii) Rupa's age when her father is 40 years old.

at y=40 x=15

hope it helps you ☺☺