How many counselors and how many aides should the camp hire to minimize cost ?

( 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  

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true

2 1/2 feet

step-by-step explanation: