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A store stocked some basketballs. It sold  of them on the first week, 0.55 of them on the second week, 0.2 of the remainder on the third week and 70 on the fourth week. If there were still 10 basketballs left, how many basketballs were sold on the first week and the second week, respectively?

First week basketballs

Second week basketballs

Correct!