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olga55 [171]
3 years ago
6

Wich one is cheer to buy 20 for 4.40 or 24 for 4.80

Mathematics
1 answer:
lawyer [7]3 years ago
6 0
4.4/20=0.22 per item 4.8/24=0.2 per item Answer: 24 for 4.80
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Answer:

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Step-by-step explanation:

First, find the number of ways to get 8 sticks from 19. At first, you have 19 choices, then 18, then 17, all the way to 12. Giving you 19*18*17*...*13*12, or 19!/11!.

Combination:

When order doesn't matter, you have to divide 19!/11! by the number of ways to order 8 sides, or 19!/11!/8!=19C8=75582

Permutation:

When order doesn't matter, you don't have to divide 19!/11! by the number of ways to order 8 sides, since you count each of these, and 19!/11!=19P8=3047466240.

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