Answer:
11
4
Step-by-step explanation:
3 hrs to travel 45 miles downstream
4 hrs to travel 28 miles upstream
speed of boat in still water= s
speed of the current= c
added up the 2 equations, we get:
Answer:
50 miles
Step-by-step explanation:
if a car travels 100 miles in two hours, divide 100 by 2 and you get 50 miles.
Answer:

Step-by-step explanation:

All we can do here is combine like terms (add those that have the same the same exponent)

Good luck!
Answer:
hope it helps.
stay safe healthy and happy.
Answer:
a = 14
Step-by-step explanation:
The mean is the sum of the values divided by the number of values.
