Question

what is the cost of one pen if the cost of 12pens is rs.25 1/2?​

Answer 1

let the cost of one pen be = x rs

then total cost = 12 × x = 25 1/2

12x = 25.5

x=25.5÷12

x = 2.125 rs

so the cost of one pen = 2.125 rs