7 miles per hour you can find this answer by doing 28 divided by 4.
Answer:
In general, housekeeping departments are in charge of keeping buildings clean. They sweep, mop, dust, vacuum and clean the bathrooms. They also clean windows and public areas, and often remove trash and deposit it in the building's dumpsters.
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Answer:
9/16
Step-by-step explanation:
I think this is how you do it