Question
Pierre had 10% as many marbles as Perry. After Pierre and Perry bought another 33 marbles and 30 marbles respectively, Pierre had 70% less marbles than Perry. How many marbles did Perry have at first?
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Pierre had 10% as many marbles as Perry. After Pierre and Perry bought another 33 marbles and 30 marbles respectively, Pierre had 70% less marbles than Perry. How many marbles did Perry have at first?