His partner has been teaching for 40-10=<<40-10=30>>30 years

So together they have 40+30=<<40+30=70>>70 years of experience

# Answer

70
Question:
James spends 40 years teaching.  His partner has been teaching for 10 years less.  How long is their combined experience?
Answer:
Let's think step by step.

user
70
James spends 40 years teaching.  His partner has been teaching for 10 years less.  How long is their combined experience?
train