Question

Jian is an electrician. For each job he does he charges $32 an hour plus a call-out fee of $35.
a Jian does a job for Mr Lee. It takes him 24 hours.
a) How much does he charge Mr Lee?
b) Jian charges Mrs Wu a total of $171.
How long did the job for Mrs Wu take?
Give your answer in hours and minutes.​

Answer 1

Answer:

A) He charges Mr. Lee $803

B) The job for Mrs. Wu took 4 hours and 15 minutes.

B) Work:

171 - 35 = 136

136/32 = 4.25

60 x 1/4  = 15

4 hours and 15 minutes.