solizj3296 solizj3296

04-09-2018
Mathematics

contestada

Kristina recently hired a contractor to do some necessary work. On the final bill, Kristina was charged a total of $765. $405 was listed for parts and the rest for labor. If the hourly rate for labor was $80, how many hours of labor was needed to complete the job?

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TheBreeze TheBreeze

04-09-2018

405 + 80t = 765

80t = 360

t = 4.5

It took the laborer 4.5 hours

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