The maximum weight the box can possibly hold is 49 ounces. The scale at the checkout counter will weigh the box and calculate the price based on the weight. You want to write a Prolog program (rule) itemsByWeight(P, S, C, F, W) to find how many items of each kind are in the box according to the total weight W, where P, S, C and F are the numbers of Pizza slices, Salad bowls, Cupcakes, and Fries packs, respectively.

What is wi-fi infrastructure? a metropolitan area network that uses radio signals to transmit and receive data a communications technology aimed at providing high-speed wireless data over metropolitan area networks a means by which portable devices can connect wirelessly to a local area network, using access points that send and receive data via radio waves includes the inner workings of a wi-fi service or utility, including the signal transmitters, towers, or poles and additional equipment required to send out a wi-fi signal