Question 211658
A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of three colors, red, white, and blue, and with a choice of three seats, soft, medium, and hard. 
a) Use the counting principle to determine the number of different arrangements
of bicycles that are possible.
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2*3*3 = 18
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b) Construct a tree diagram illustrating all the different arrangements of 
bicycles that are possible. 
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Put m and f in the 1st column
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From each of those put branches to r, w, b,
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From each of those put branches to s, m, h
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Cheers,
Stan H.