Answer:
the line is going to be negative
start the line on (4, -2) so you know the line will contact the point
make sure the slope is -3
i dont know how else to help
Step-by-step explanation:
400x4 is 1 mile so 400x8 is 2 miles so 3,200 is 2 miles minus 400 because she already walked that so the answer is 2,800
First you cross multiply.
2*(b-4)=6b
Then distribute the 2.
2b-8=6b
Minus 2b from each side.
-8=4b
Divide each side by 4.
-2=b
So -2 is your answer.