Below is an instruction that describes a task. Write a response that appropriately completes the request in Thai. Please answer in Thai.

### Instruction:
Duke was at a garage sale when he spotted DVDs on sale.  They were separated by price into 2 different boxes.  In the first box, he found 10 movies that he wanted.  These were $2.00 apiece.  The second box was marked $5 each and he found 5 movies he wanted.  What was the average price of each of the DVDs he bought?

### Response:
 ราคาเฉลี่ยของแต่ละดีวีดีที่เขาซื้อคือ (10*2+5*5)/(10+5)=<<(10*2+5*5)/(10+5)=3>>3.