Adam will teach 50 * 9 = <<50*9=450>>450 students in 9 years.

So, in 10 year Adam will teach 450 + 40 = <<450+40=490>>490 students.

# Answer

490
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Adam teaches 50 students a year. How many students will Adam teach in 10 years if in the first year he only teaches 40 students?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
490
Adam teaches 50 students a year. How many students will Adam teach in 10 years if in the first year he only teaches 40 students?
train