f(x) = 4x
f(12) = 4(12) = 48
g(x) = x - 9
g(f(12)) = (48) - 9 = 39
Answer: 39
Answer:
20 rides
Step-by-step explanation:
35-4.5=30.5
20*1.5=30 and 30 plus 4.5 equals 34.5
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