1.23 people run a race. There are different prizes for 1st, 2nd, and 3rd place. How
many diffe...
Mathematics, 28.02.2020 18:37, ronaldo22
1.23 people run a race. There are different prizes for 1st, 2nd, and 3rd place. How
many different ways can they finish? (hint: permutation, combination, counting principle?)
a
10626
b. 1771
c. 7.6
Answers: 2
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Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.
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