Question
Penelope had 76 more buttons than Tammy at first. Tammy gave 10 of her buttons to Penelope. Penelope now has 3 times as many buttons as Tammy. How many buttons did Tammy have at first?
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Penelope had 76 more buttons than Tammy at first. Tammy gave 10 of her buttons to Penelope. Penelope now has 3 times as many buttons as Tammy. How many buttons did Tammy have at first?