Question

For making a project Rama goes to the nearby market . She buys a glitter pen of Rs 10 and a project file of Rs 30 . By taking cost of pen as 'y' and cost of file as 'x'. Answer the following 4 questions related to the situation.

Write an equation for the above situation in terms of X and Y *

(a) 30 = xy
(b) y = 3x
(c) x = 3y
(d) x = 30 + y

ii) Write the standard form for the above equation *

(a) y + 30x + 0 = 0
(b) y + 3x - 0 = 0
(c) x - 3y + 0 = 0
(d) x - y + 30 = 0

iii) If Rama buys equal number of pens and files and spends Rs. 50 on pens, the amount she will need to buy the project files is *

a) Rs 30
b) Rs 50
c) Rs 80
d) Rs 150
iv) Will point (2,6) lie on the graph y = 3x *

(a) May lie
(b) Never lie
(c) Always lie
(d) None of the above

Answer 1

Answer:

Step-by-step explanation:

i] x=3y

ii] x-3y+0=0

iii] rs 150

iv] never lie