Dividends

The three friends divided the win by the invested money. Karlos got three eighths John 320 permille and the rest got Martin. Who got the most and which the least?

Result

k =  0.375
j =  0.32
m =  0.305

Solution:

$k=3/8=\dfrac{ 3 }{ 8 }=0.375$
$j=320/1000=\dfrac{ 8 }{ 25 }=0.32$
$m=1-k-j=1-0.375-0.32=\dfrac{ 61 }{ 200 }=0.305 \ \\ m

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Karlos got the most  , Martin lowest

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