17(x+24)/6=y
3(x-24)=y
The solution is x=840.
y=2448
So when there is no wind, the speed is 840 kilometers per hour.
The voyage is 2448 kilometers.
2, let x, y
6y+3=x
8y=x+5
X=27,y=4。
So there are 27 pigeons and 4 cages.