Question
Packet U and Packet V contained a total of 130 cards. After 40 cards were transferred from Packet U to B, Packet V contained four times as many cards as Packet U. How many cards were there in Packet U at first?
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Packet U and Packet V contained a total of 130 cards. After 40 cards were transferred from Packet U to B, Packet V contained four times as many cards as Packet U. How many cards were there in Packet U at first?