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OpenStudy (anonymous):
A salad bar offers 8 choices of toppings for lettuce. In how many ways can you choose 4 or 5 toppings?
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OpenStudy (anonymous):
combinations 8C4 + 8C5 = 8*7*6*5 8*7*6 ------- + ---- 4*3*2*1 3*2*1 = 70 + 56 = 126
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