An electrician charges ₹ 45 per hour for repair work. He spends ₹ 20 a day to travel. Write an algebraic expression to represent his earnings for one day, if he works for x hours each day
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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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