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

### Instruction:
Tom can type 90 words a minute.  A page is 450 words.  How long would it take him to type out 10 pages?

### Response:
He can type out 1 page in 450/90=<<1*450/90=5>>5 minutes
So it would take 5*10=<<5*10=50>>50 minutes
#### 50