Question: A store gives a 10% discount for the amount of the sell that was over $1000.  John buys 7 items that each cost $200.  What does his order cost after the discount?
Solution:
His order came out to 7*200=$1400
So there was 1400-1000=$400 that qualified for the discount
So his discount saved 400*.1=$40
So his purchase came out to 1400-40=$1360
Answer: 1360