Question

Price of three pens and pencil is 50 rupees. Price of 3 pens and 6 pencil is 60rupees. Price of pencil

Answer 1

Step-by-step explanation:

let the price of 1 pen be x and price of 1 pencil be y.

then, 3x+y=50 and 3x+6y=60

subtracting both the equations

3x+6y-(3x+y) =60-50

3x+6y-3x-y=10

5y=10

y=2.

price of pencil is 2 rupees