Q1. Write a menu driven program for checkout lines in a supermarket, Using Queue data structure and Queue Simulation concepts. Create varied lines of servers depending on the user input initially. Display the queue of each server along with the customers in the queue. You can ...
August 17, 2014
Ok, another solution for this problem: 20% of $80=16 so, the selling price=80+16=$96 Let, by the mark price of 20% profit=x so, x-(20% of x)=96 or, x-x/5=96 or, x= (96*5)/4 or, x=$120 (Ans)
July 4, 2010