Question
Sabrina had 50 more marbles than Eva at first. Eva gave 11 of her marbles to Sabrina. Sabrina now has 3 times as many marbles as Eva. How many marbles did Eva have at first?
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Sabrina had 50 more marbles than Eva at first. Eva gave 11 of her marbles to Sabrina. Sabrina now has 3 times as many marbles as Eva. How many marbles did Eva have at first?