[Grammar] How much will it cost if I stay in a hotel 20th to 25th, which cost $60 per night?

[wotcha]

How much is it if I stay in a hotel 20th to 25th, which cost $60 per night?

I think it is $240 but my book says $300.


:?:

 

[5jj]

How much is it if I stay in a hotel from 20th to 25th, which costs $60 per night?

I think it is $240, but my book says $300.

This is a language forum, not a maths one, so no more questions like this, please.

ps. Your book is right.

 

[wotcha]

This is a language forum, not a maths one, so no more questions like this, please.

ps. Your book is right.

sorry