Question

The total price of 2pencils and 4pens is Rs.24 and the total price of 3 pencils and 5 pens is Rs.31. then find the value of 1 pencil and 1 pen

Answer 1

let price of one pencil be x

and price of one pen be y.

a.t.q.

2x+4y=24___i

3x+5y=31____ii

x=24-4y/2 (from___i)

put in ___ii

3(24-4y/2)+5y=31

72-12y+10y=62

10=2y

y=5

put y=5 in x

x=24-4×5/2

x=24-20/2

x=4/2

x=2.

Answer 2

Answer:

Step-by-step explanation: