Answer:
b,c,e
Step-by-step explanation:
Answer:
Base Fee = $7
Extra charges = $7
Step-by-step explanation:
Represent the base charge with x and the additiional charges with y.
For the 5 hours job, we have:

For the 3 hour job

Solving for x and y;


Subtract the second equation from the first


Solve for y


Substitute 7 for y n the first equation





$60 because you have to divide 40 and 8 to get 5 then multiple 12 and 5 to get 60
Answer: no
Step-by-step explanation: