Question
Nicole had 80 more marbles than Tammy at first. Tammy gave 20 of her marbles to Nicole. Nicole now has 5 times as many marbles as Tammy. How many marbles did Tammy have at first?
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Nicole had 80 more marbles than Tammy at first. Tammy gave 20 of her marbles to Nicole. Nicole now has 5 times as many marbles as Tammy. How many marbles did Tammy have at first?