k(x) = 6x - 12
k(x) = 18
substitute:
6x - 12 = 18 |+12
6x = 30 |:6
x = 5
Answer: 8 turns
Step-by-step explanation: 5 children at a time, so 5*8=40, which is the closest to 38
Answer:
Step-by-step explanation:
Answer: n=0.4 or 2/5