# Question: a plumbers total bill a can be calculated using the...

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A plumber's total bill A can be calculated using the formula Upper A equals RT plus Upper M where R is his hourly rate, T is the total labor time in hours, and M is the cost of materials. A plumber bids a particular job at $2810. If materials amount to $1066, and his hourly rate is $64 per hour, how many hours should the job take for the estimate to be accurate?