Question
Plane A and Plane B had a total of 160 passengers. When 20 passengers from Plane A moved to Plane B, Plane A had 3 times as many passengers as Plane B. How many passengers were there in Plane A at first?
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Plane A and Plane B had a total of 160 passengers. When 20 passengers from Plane A moved to Plane B, Plane A had 3 times as many passengers as Plane B. How many passengers were there in Plane A at first?