(Kinda need help ASAP)
1 answer:
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The best way to solve this is to put it into a proportion:
So you cross multiply to get:
(the 21 is from 
•84)
Then multiply by
And you get $28, so the reduced price would be $28.
So you cross multiply to get:
Then multiply by
And you get $28, so the reduced price would be $28.
The number of possible groups or combination of three men can be formed from 10 is 120.
According to the given question.
Total number of men in a company, n = 10.
Number of men to be selected, r = 3
As we know that, What is a combination in math?
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A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter.
Therefore, the number of possible groups or combination of three men can be formed from 10
=
= 10!/ 3!7!
= 10(9)(8)/3(2)
= 5 × 3 × 8
= 120
The number of possible groups or combination of three men can be formed from 10 is 120.
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