100
Nathan has 2,000 apples.
He has 400 fewer apples than Tristian.
How many apples do they have in all?
What is 4,400?
First, you need to figure out how many apples Tristian has. 2,000+400= 2,400. THEN add his apples and Nathan's apples TOGETHER. 2,000+2,400=4,400