Since he has 4 golf balls, he has 12 baseballs because 4 times 3 is 12. Then you do 12 - 5 = 7 tennis balls.
7, because 8/4 = 2 which means that 1 guest = $2. So if we do 14 / 2 to see how many guests that would be, it's 7.
1 km=1093.61yards
6 km= 6*1093.61yards
6 km= 6561.66yards
Answer= 6561.66 yards