Answer:

Step-by-step explanation:
GIVEN: A group of robins took
days to fly
miles.
TO FIND: On average about how many miles did the robins flight each day.
SOLUTION:
Total number of days taken by robins to fly the distance 
Total distance traveled by robins 
Now,
Average miles robins flights each day 


Hence robin flight average
miles each day.
Answer:
Step-by-step explanation:
the 2nd one
The answer is 0.875
0.56÷0.64=0.875
Answer:
k = 11b - 8 (easiest to understand)
extra:
k = -8 + 11b
or
11b = -8 - k
etc. ( anything mixing up the components of the equation ).