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Clifford Cook

Clifford Cook heeft een opmerking geplaatst, 18 april 2017 21:03
Figure it out it is a tricky question and I hope my answer helps someone out in the future. The solution is 17C1 * 8C4 You have 17 buses that do not have a crack going into 1 spot and you have 8 bu...
Clifford Cook heeft een post gemaakt, 18 april 2017 20:10
Having trouble with permutations and combinations
Beantwoord

Shortly after being put into service, some buses manufactured by a certain company have developed cracks on the underside of the main frame. Suppose a particular city has 25 of these buses, and c...
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