simplify 3/18 ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????
1 answer:
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Answer:
123480
Step-by-step explanation:
We have to choose:
- 2 cellists from 8 cellists;
- 4 violonists from 7 violonists;
- 4 cellists or violonists from 9 remaining musicians (8-2=6 - cellists left, 7-4=3 - violonists left, 6+3=9 - left musicians in total)
1. 2 cellists from 8 can be chosen in
different ways.
2. 4 violonists from 7 can be chosen in
different ways.
3. 4 musicians from 9 can be chosen in
different ways.
In total, there are differnt ways to fill all vacancies.