Question

5pencils and 7pens cost rs50 7pencils and 5pens rs46 graphical show

Answer 1

let the cost of one pencil be x.......
and, let the cost of one pencil be y......
5x+7y=50..........(1)
7x+5y=46..........(2)
now, coordinates of eq (1)

x | 3 | 10 |
y | 5 | 0 |
coordinates of eq (2)

x |-2 | 3 |
y |12 | 3 |

now you will plot these coordinates on graph paper okkk....

Answer 2

Answer
cost of 1 pencil= Rs 3
cost of 1 pen= Rs5

hope this help you.