Question
Caden gave 15 of his erasers to Vincent, 15 of his erasers to Peter and 15 of his erasers to Owen. He then had 12 erasers left. How many erasers had he at first?
4 m

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Caden gave 15 of his erasers to Vincent, 15 of his erasers to Peter and 15 of his erasers to Owen. He then had 12 erasers left. How many erasers had he at first?