11
an electrician charges a call-out fee of $40 and $60
per hour.
a. write an expr...
Mathematics, 24.08.2019 05:10 lillysiege
11
an electrician charges a call-out fee of $40 and $60
per hour.
a. write an expression for the total cost if the
electrician works for h hours
b. how much would it cost if a particular job took
3 hours?
c. use your expression to work out how many hours
the electrician worked for if he charged $400 for a
particular job.
Answers: 3
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