Question

5 pencils and 7 pens together cost RS. 50, whereas, 7 pencils and 5 pens together cost RS. 46, Find the cost of one pencil and that of one pen.

From the pair of linear equations nd Find their solutions graphically. Find their solutions graphically​

Answer 1

Step-by-step explanation:

cost of pencil to be x

cost of pen to be y

5x+7y=50 (1)x7

7x+5y=46 (2)x5

from equation (1)and(2)

x=3

y=5