Answer:
0.75 is it the answer
Step-by-step explanation:
A.
So for 1 hour you pay 10 dolars then for 3 you pay 30 then for 11 you pay 110 then for 20 you pay 200.
For B and C I dont Know sorry.
No, he is incorrect because he forgot to multiple the negative by the x, and only multiplied 3 by x instead of -3 by x.
The correct re-write of this expression is:
-3x - 30
The solution is in the attached file
