Question

The cost of 3 pens and 2 copies is 10 rupees
Represent in linear Equation in two variable
and find the cost of 1copy if 1 pen cost is 20 rupees​

Answer 1

let make (p= the cost of one pen )and (c = the cost of one copy)

so the linear pair is :-

3p + 2c = 10

the cost of one pen is 20

this is not possible since one pen cost more than the total cost of 3 pens and 2 copies.