Question
PSLE
Peter had 57 more erasers than Seth at first. Seth gave 6 of his erasers to Peter. Peter now has 4 times as many erasers as Seth. How many erasers did Seth have at first?
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PSLE
Peter had 57 more erasers than Seth at first. Seth gave 6 of his erasers to Peter. Peter now has 4 times as many erasers as Seth. How many erasers did Seth have at first?