Respuesta :

Answer:

( 1 )

Step-by-step explanation:

if the minimum is 20 than that is the least cost affective and 8 counselors and 12 aides make up 20 staff but 8 divided by 2 is 4 and 4 multiplied by 3 is 12 to accommodate the 3 aides to every 2 counselors  

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