Answer:
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Step-by-step explanation:
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I’ll help....
0.48 is the answer
70, I think
f(10)= -10^2- 3(10)
f(10)= 100-30
f(10) = 70
16 children and 11 adults
Equation 1: a + c = 27
Equation 2: 4a + c = 60