M Mary Jane New member Joined Nov 2, 2006 Messages 5 Nov 3, 2006 #1 A store sells 8 styles of jacket. The jackets come in 5 colors and 3 sizes. How many jackets are possible. What principle/formula did you use?
A store sells 8 styles of jacket. The jackets come in 5 colors and 3 sizes. How many jackets are possible. What principle/formula did you use?
W wjm11 Senior Member Joined Nov 13, 2004 Messages 1,417 Nov 3, 2006 #2 A store sells 8 styles of jacket. The jackets come in 5 colors and 3 sizes. How many jackets are possible. Click to expand... There are three different categories: style, color, and size. Just multiply the number of choices in each category: 8*5*3 = 120. This could be determined by drawing a "tree' diagram also.
A store sells 8 styles of jacket. The jackets come in 5 colors and 3 sizes. How many jackets are possible. Click to expand... There are three different categories: style, color, and size. Just multiply the number of choices in each category: 8*5*3 = 120. This could be determined by drawing a "tree' diagram also.