Question

The price of 28 pens and 48 pencils are 425 rupess then what is the price of 77 pens and 110 penciles.​

Answer 1

Cost of one pen =Rs.15

Cost of x pens =15×x=Rs.15x

Cost of 1 pencil =Rs.3

Cost of y pencils =3×y=3y

Therefore,

Total cost of x pens and y pencils =15x+3y=3(5x+y)

Answer 2

Step-by-step explanation:

let the cost of one pen be x and one pencil be y

28x+48y=425-----------eq1

77x+110y=?