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Mathematics, 21.03.2021 14:00, haleyehewitt2001
Piere is an electrician
He uses this formula to work out the amount ,$c , to charge for a job that takes ×hours
C=20+30×
He starts a job at 9 30 and finishes at 1 pm
Work out his charge for this job
Pls show me formula
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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Piere is an electrician
He uses this formula to work out the amount ,$c , to charge for a job that...
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