In setting up a computer system for th e home firm, an engineer has four choices for the main unit: IBM, VAX, Honeywell, or HP.

In setting up a computer system for th

e home firm, an engineer has four

choices for the main unit: IBM, VAX,

Honeywell, or HP. There are six

brands of CRTs that can be purchased

and three types of graphics printers. If all the equipment is compatible, in how many ways can the system be designed?

I know that the answer is 72, but can you please provide an explanation

In setting up a computer system for the home firm, an engineer has four choices for the mainunit: IBM, VAX, Honeywell, or HP. There are six brands of CRTs that can be purchased andthree types of...