Will jogged for 60/2 = <<60/2=30>>30 minutes.

He was able to use up 10 x 30 = <<10*30=300>>300 calories for jogging.

The net calorie intake of Will after jogging is 900 - 300 = <<900-300=600>>600.

# Answer

600
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Will's breakfast supplied him 900 calories of energy. Then he decided to jog for half an hour, which used up 10 calories of energy per minute. What is Will's net calorie intake after jogging?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
600
Will's breakfast supplied him 900 calories of energy. Then he decided to jog for half an hour, which used up 10 calories of energy per minute. What is Will's net calorie intake after jogging?
train