A boat moves at a rate of 40 mph in Stillwater if the rivers current flow in a rate of 4 mph how long does it take a boat to travel 22 miles upstream?
upstream rate: 40 mph - 4 mph = 36 mph
how long: 22 miles/36 mph = 0.6 h = 36 minutes
Answer:
B
Step-by-step explanation:
Answer:
.12 = 12/100 or 4/25 I'm not sure if I'm correct but I tried, I'll try solving the other ones and update you
.250 = 25/100 which simplified is 5/20
Answer: the answer is the first one
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
start with factoring.
5x+15-9x+4
then solve
-4x+19
