Hard math puzzle,Brain teaser
How much money was raised in the fund?
Read it please and try to solve it
Chess club has 500 members. some old and other new ones who subscribed last year.
Organize an event, where each old member pays 20 € and each new member 14 €.
At the event all the new members came but only 70% of the old members came
How much money was raised in the fund of the chess club by this event.
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