Human: James buys 2 pairs of shoes a month. He spends $2640 on shoes each year. How much does he pay on average for each pair of shoes? Assistant: 
How many pairs of shoes does James buy in a year? ** He buys 2*12=<<2*12=24>>24 pairs of shoes a year
How much does James spend on average for each pair of shoes? ** So he spends 2640/24=$<<2640/24=110>>110 per pair
#### 110