swerve wrote:A cosmetics company would like to market a six-item gift basket bundle from a set of ten possible items. If 49 of the potential bundles have already been eliminated from consideration, how many potential bundles are still being considered?
A. 147
B. 161
C. 175
D. 182
E. 210
From 10 items, the number of ways to choose a bundle of 6 = 10C6 = (10*9*8*7*6*5)/(6*5*4*3*2*1) = 210.
Subtracting the 49 bundles already eliminated from consideration, we get:
210-49 = 161.
The correct answer is
B.
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