70 of the rooms in a hotel are full if the hotel is 87.5% full then how many total rooms are there at this hotel

80 rooms

Step-by-step explanation:

Given: 70 of the rooms in a hotel are full such that the hotel is 87.5% full.

To find: total number of rooms in the hotel

Solution:

Number of filled rooms

Percentage if filled rooms

Let denotes total number of rooms.

Therefore,

So, there are rooms in the hotel.