Answer:
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Step-by-step explanation:
e can treat 7 friends
2f+10=24
2f=24-10=14
f=14/2=7
A
9 = (1/27)^(a+3)
3² = (3^-3)^(a+3)
3² = 3^(-3a-9)
2 = -3a-9
-3a = 11
a = -11/3
The answer is (13,48,50)