Let X be the price of the shirt.

The price of the coat is X*3.

The total amount is X + X*3 = $600.

Combining like terms, we get X*4 = $600.

Dividing both sides by 4, we get X = $600 / 4 = $<<600/4=150>>150.

# Answer

150
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Emily bought a shirt and a coat for $600. What does the shirt cost if it is one-third the price of the coat?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
150
Emily bought a shirt and a coat for $600. What does the shirt cost if it is one-third the price of the coat?
train