A person needs to pay TK. 500 to by pencils and TK. X for any additinal unit of pencil.If the cumstomer pays a total of TK. 4700 for 1200 pencils what is the value of X?

Answer:3.50Step-by-step explanation:First we take the 500 fee for purchasing pencils off of the total:4700-500 = 4200This means we pay 4200 for 1200 pencils; dividing this will tell us the amount per pencil, x:4200/1200 = 42/12 = 21/6 = 7/2 = 3.5Thus we pay 3.50 per pencil.