Can someone figure out how to solve this equation? you! there 20 people competing in a contest if first place earns $100, second place earns $50 and third place earns $25, how many ways can the three winners be selected?

We will use the binomial coefficient formula to work out the answer

The formula is given by:

Where:
'n' is the total population or sample population
'r' is the number of pick

We have:
n = 20
r = 3
Substitute these values into the formula we have


There are 1140 different ways of picking three winners out of 20 people

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