Question

Mrs. Hanson calls a plumber whose charge in dollars is given by the following equation. Charge = 80 + 120 × number of hours If the cost of the work done is $530, how long did the plumber work? Answer in hours. THIS IS URGENT

Answer 1

Answer: 3.75 hours

Step-by-step explanation:80+120*x=530    (using bodmas)

80+120x=530

120x=530-80=450

x=450/120

x=3 3/4 hrs    which is 3 hours 45 minutes

Answer 2

Answer:

ATQ

work done = 530

So, 80 + 120 x = 530

120x = 530-80

x = 450/120

x = 3.75