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The Greek army contained two types of soldiers: the upper class and the lower class soldiers. If there were a total of 5 upper class soldiers, and 10 lower class soldiers in a certain part of Athens, and the battle of Thermopylae demands a force of 4 upper class soldiers and 8 lower class soldiers, how many different battalions can be sent?

 Apr 7, 2021
edited by Guest  Apr 7, 2021
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This is not hard.  It is combinatory maths.  Use C on your calculator.

How many ways can you choose 4 from 5?

How many ways can you choose  8 from 10?

Multiply the answers.

 

 

Others: Please let guest answer for his/her self.

 Apr 7, 2021

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