I think its 90 . I'm not 100% sure though.
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





The answer is B.NQ. Hope it helps ;)
15 since 26- 11 = 15 and the a is on one end and the c is on the other end, and the b is somewhere in the middle
5x - 5 = x + 15
add 5 to both sides
5x = x + 20
subtract x from both sides
4x = 20
divide both sides by 4
x = 5