15 coins collected in hour one

35 coins collected in hour two

35 coins collected in hour three

50 coins collected in hour four

Before giving her coworker some coins there were 15+35+35+50=<<15+35+35+50=135>>135 coins

The number of coins after given 15 to her coworker is 135-15=<<135-15=120>>120

# Answer

120
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Every hour Joanne has to collect the coins out of the fountain inside the mall. During the first hour, she collected 15 coins. For the next two hours, she collected 35 coins from the fountain. In the fourth hour, she collected 50 coins from the fountain but she gave 15 of them to her coworker so she could buy a soda. How many coins did she have after the fourth hour?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
120
Every hour Joanne has to collect the coins out of the fountain inside the mall. During the first hour, she collected 15 coins. For the next two hours, she collected 35 coins from the fountain. In the fourth hour, she collected 50 coins from the fountain but she gave 15 of them to her coworker so she could buy a soda. How many coins did she have after the fourth hour?
train