Adeli is offering a special for its sandwiches. a customer will receive three free sandwiches for every five sandwiches purchased. jane ordered 675 sandwiches for an office party at a large company. how many sandwiches did jane have to pay for?

We see that for every 8 sandwiches that the customer needs, he will pay for 5. Lets see how many groups of 8 sandwiches the order of 675 sandwiches contains. If we do Euclidean Division we see that there are 84 groups of 8 and that three sandwiches are the remainder. 675/8=84.375; Hence we have 84 groups and 0.375*8=3 sandwiches that remain. Thus, the customer would play for 84*5= 420 sandwiches if he had ordered 84 groups of 8 (namely 672 sandwiches). Since he needs another 3 sandwiches and there is no promotional offer for those, he will have to pay in total for 423 sandwiches. It is important to not divide the total number by 8 and then multiply it by 5; the customer gets the free sandwiches only if he completes an offer of 5 sandwiches, thus we have to group the sandwiches in octads and deal with the remainder separately.

Z-gadgets has developed a mini-laptop that will be marketed in developing countries. it is estimated that the requirement for the new product will start out slow and accelerate as the product becomes increasingly familiar to worldwide consumers. to begin to staff the new production facilities, the company should conduct a(n):   demand forecast