Answer: Well theres no table added but it probably looks like this
X Y
8mph 4 min
2mph 1 min
I think you can do the rest
15 gallons
hope this helps. not really sure what you mean by that.
closed dot is if the number is part of the solution so if it is equal to
and
use open if it is not part of solution as in if it is greater than or less than
so for your picture x greater or equal to -2 it would be a closed dot
A = 6.7 :) hope this helps I double checked
As a improper fraction, its 127/100