If 12 keychains cost $9 then how much does 20 keychains cost? $________ Also if you could may you provide steps on how you got t
he answer
2 answers:
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Answer:
Option C
Step-by-step explanation:
Assuming P represents the number of outcomes, n the number of competitors and r the number of places to be awarded....
There are 336 different possible ways for the winners to be chosen.
<u><em>Hope that helps!</em></u>