9.2 (b) is the answer hope this helped!
Answer:
13.31 minutes
Step-by-step explanation:
800 in 30min
400 in 15 min
26 passengers in an min
346/26
13.31 minutes
Step-by-step explanation:

Answer:
2n-8
Step-by-step explanation:
twice n is 2n. decreased by 8 is the -8
Yes,
Every 2 minutes = 3 inches of water, so that means every minute = 1.5 inches of water.
So in 10 minutes:
10*(1.5) = 15 inches of water.
So in 10 minutes the tub will fill an additional 15 inches of water which is exactly how much you need to fill up the remaining tub (3+15 = 18)