Edward C. answered 03/27/15
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Caltech Grad for math tutoring: Algebra through Calculus
Let W = number Mr. Williams made
Let C = number Ms. Cowgirl made
Let P = number Mr. Patterson made
W = C
P = 3*C - 1
W + P + C = 9
(C) + (3*C - 1) + C = 9
5*C = 10
C = 2
So W = 2 and P = 5