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Earn +20 ptsQ: How many ways can 3 be selected from 30?
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How many ways can three students be elected from five?
Three students can be selected from 5 in (5 x 4 x 3) = 60 ways.BUT there are (3 x 2) = 6 ways to select the same 3 students.So there are only 60/6 = 10 different groups of 3 studentsthat can be selected from a pool of 5.
What is the ratio of 30 and 56?
There are 3 ways. 30/56, 30 to 56, and 30 : 56.
How many ways can a 3-person subcommittee be selected from a committee of 8 people?
-5
In a mathematics class with 30 students the teacher wants 2 different students to present the solutions to problems 3 5 on the board In how many ways can the teacher assign the problems?
There are 30 ways of selecting the first student leaving 29 ways to select the second for a total of 30 X 29 = 870 ways
Two ways to write 0.3?
30% 3/10
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