Question

1. An electrician charges a fixed fee of $40 plus 25 per hour.
(i) Derive a formula to show his charges, where C is the total charge and n is the number of hours.
(ii) What is would the electrician charge for working 6 hours?

Answer 1

Answer:

hey mate,

ur answer is below

Step-by-step explanation:

Let x represent the number of hours the electrician works in one day.

Since charges are Rs 45 per hour.

So the charges for x hours are RS 45x.

Now Rs 20 is spent on gasoline, therefore

The electrician's earning can be represented by the following algebraic expression

45x - 20

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