Question

two pencil and one pen cost ₹25. 3 pen and two pencil cost ₹40. find the cost of 1 pencil and 1 pen​

Answer 1

Answer:

pencil cost 20 u only gave the cost of pen

Answer 2

2 pencil 1 pen = 25Rs (1)

2 pencil 3 pen = 40Rs (2)

In 2nd eq 2 pen & 15Rs increase

so. The cost of 2 pen is 15 Rs

cost of 1 pen = 15/2 = 7.5 Rs

In eq 1 pen cost is 7.5Rs then the 2 pencil cost is 25 - 7.5 = 17.5

cost of 1 pencil is 17.5/2 = 8.75

cost of 1 pencil & 1 pen is 7.5 + 8.75 = 16.25