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A delegation of 56 football fans traveling to the stadium for their team refueling, the existing A,

HEHE Shenghui 12302010-03-04 14:10:29 +0000 #1
of a line of 56 football fans traveling to the stadium for their team refueling , the existing A, B 2 taxi Team, A Team, B Team, less than three vehicles, if all the arrangements take the A team bus, sit five people per vehicle, vehicle is not enough to sit six people per vehicle, some vehicles are not filled ; if all the arrangements to sit B team bus, each seat four people, vehicles and not enough to sit five people each, and some cars are not filled, then the A Team, the number of taxi vehicles are?

The process! ! ! ! !
Prince Poldi2010-03-04 14:22:48 +0000 #2
Solution: Let A team has x units, B has x +3

5x <56, solution too: x <11.2

6x> 56, solution was: x> 9.3

4 (x +3) <56, solution too: x <11

5 (x +3)> 56, solution was: x> 7.2

In summary, x = 10,

so A Team Taxi of 10

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