Answer: 60 miles
Step-by-step explanation:
Given
It takes ferry 2 hours to travel to town A and only
to travel back to town B.
Speed of current is 
Suppose the speed of the ferry is
mph
Distance traveled in both the cases is same, but it took more time traveling to city A that is, ferry is moving upstream and downstream for returning time.

Distance between the towns is 
Answer:
$43.00
Step-by-step explanation:
$129.00 / 3=$43.00
Answer:
none
Step-by-step explanation:
first thats not a number
Freezing point of nitro : -210
freezing point of mercury : 171 degrees higher......so we add
-210 + 171 = - 39 c