The number of children on the bus is 60 passengers * 25% = <<60*25*.01=15>>15 passengers.

The number of adults on the bus is 60 passengers - 15 passengers = <<60-15=45>>45 passengers.

# Answer

45
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
There are 60 passengers on a bus. Children make up 25% of the bus riders. How many adults are on the bus?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
45
There are 60 passengers on a bus. Children make up 25% of the bus riders. How many adults are on the bus?
train