Question
Zane had 10% as many marbles as Tommy. After Zane and Tommy bought another 24 marbles and 20 marbles respectively, Zane had 70% less marbles than Tommy. How many marbles did Tommy have at first?
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Zane had 10% as many marbles as Tommy. After Zane and Tommy bought another 24 marbles and 20 marbles respectively, Zane had 70% less marbles than Tommy. How many marbles did Tommy have at first?