Mr. smith is appointed as the principal of a school. in order to keep the building safe, he appoints 2 hall monitors for every hallway, and 4 supervisors for every 20 hall monitors. mr. smith’s school has 30 hallways. how many supervisors does mr. smith need to appoint? a. 12 supervisors b. 32 supervisors c. 16 supervisors d. 24 supervisors reset

We know that there are 30 hallways and we know that there are 2 hall monitors for every hallway. Knowing this, we see that there are 60 total hall monitors

We also know that there are 4 supervisors for every 20 hall monitors.

60 hall monitors can also be thought of as 20 hall monitors + 20 hall monitors + 20 hall monitors

We see that there are 3 groups of 20 hall monitors

Group 1 will have 4 supervisors

Group 2 will have 4 supervisors

Group 3 will have 4 supervisors

12 supervisors

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step-by-step explanation:

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