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At a charity function, $42,000 was donated by companies A, B, and C in a 7:5:9 ratio. How many dollars did company B donate?

Guest Oct 23, 2018
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We have    7 + 5 + 9   =   21 equal parts

 

And B's donation was  5 of these

 

So

 

(5/21) * 42000   =  $10000 

 

 

cool cool cool

CPhill  Oct 23, 2018

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