Question
Oliver had 10% as many erasers as Seth. After Oliver and Seth bought another 77 erasers and 20 erasers respectively, Oliver had 60% more erasers than Seth. How many erasers did Oliver have at first?
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Oliver had 10% as many erasers as Seth. After Oliver and Seth bought another 77 erasers and 20 erasers respectively, Oliver had 60% more erasers than Seth. How many erasers did Oliver have at first?