Question
Rachel had 64 more buttons than Opal at first. Opal gave 19 of her buttons to Rachel. Rachel now has 3 times as many buttons as Opal. How many buttons did Opal have at first?
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Rachel had 64 more buttons than Opal at first. Opal gave 19 of her buttons to Rachel. Rachel now has 3 times as many buttons as Opal. How many buttons did Opal have at first?