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

### Instruction:
Jenny wants to read 3 books in the next 10 days. She can read 100 words per hour. If the first book has 200 words, the second book has 400 words, and the third book has 300 words, how many minutes per day, on average, should she spend reading?

### Response:
She wants to read 900 words because 200 + 400 + 300 = <<200+400+300=900>>900
She needs to spend 9 hours reading because 900 / 100 = <<900/100=9>>9
She needs to spend 54 minutes reading each day because 9 x (60 minutes/hour) = 54 minutes
#### 54