# Problem of the Week Problem A Cleaning Calculation

A housekeeper is responsible for cleaning all the rooms on one floor of a hotel. The floor has $$16$$ regular rooms and $$5$$ suites. Regular rooms take $$20$$ minutes each to clean. Suites take $$30$$ minutes each to clean.

1. How long does it take to clean all the rooms on the floor of the hotel?
2. If the housekeeper starts cleaning at $$10$$:$$00$$ a.m. and does not take a break, at what time is the job finished?

Theme: Number Sense