Four pupils

Four pupils divided $ 1805 so that the second received 40% less than the first, the third 1/2 less than a fourth and fourth $ 78 less than the first. How much money had each of them?


a =  620 $
b =  372 $
c =  271 $
d =  542 $


Solution in text a =
Solution in text b =
Solution in text c =
Solution in text d =

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