[Problem 1]

the instructer of an introductory computer course wants to make a wall chart of a computer desktop for her students. To make it as realistic as possible, she would like the desktop icons to be proportional to the size of her 6' x 6' chart. If the icons on her 15" x 15" PC screen are 3/8" x 3/8", how large should they be on her wall chart?

(Show your work)

[Problem 2]

In her morning class, the computer teacher has 20 students, 8 of whom are women and 12 of whom are men. If her afternoon class has 30 students, how many of them must be women so that both classes have the same ration of women to men?

(Show your work)

[Problem 3]

The instructor has learned that for 30 students in her afternoon class, the ration of students who do not own a computer to those who do is 2 to 1. How many students in the class own thei own computer?

(Show your work)