Any combination of 5 students leaves one student out. Since there are 5 possible students to leave out, the number of combinations of all but one student is 5.
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The answer is 86 because 100 studets were asked and 14 more students chose soccer than swimming so 100-14=86, then halve 86 to make 43 and 43, then add 43 and 14 to make 57 for soccer. So 57 people chose soccer, and 43 people chose swimming. All together it equals to 100 students.
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There are 234,345,679 combinations of drinks in he world.
One bar code can have anywhere from 30 to 70 different combinations within itself. How many combinations are in the world is not known.
There are 5,461,512 such combinations.