He keeps 100/2=<<100/2=50>>50 tennis balls

So 50/5=<<50/5=10>>10 go in each container

# Answer

10
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
James buys 100 tennis balls and gives half of them away.  The other half he puts into 5 large containers.  How many tennis balls go in each container?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
James buys 100 tennis balls and gives half of them away.  The other half he puts into 5 large containers.  How many tennis balls go in each container?
train