Plumber Salaries

Question

What equations must I put together to figure these both out?

Juan recently hired a plumber to do some necessary work. On the final bill, Juan was charged a total of $664. $430 was listed for parts and the rest for labor. If the hourly rate for labor was $36, how many hours of labor was needed to complete the job?

(A) First write an equation you can use to answer this question. Use x as your variable and express any percents in decimal form in the equation.

The equation is __________.

(B) Solve your equation in part (A) to find the number of labor hours needed to do the job.

Answer: The number of labor hours was__________.

Answer 1

234/36 = 6 1/2 hours at $36 per hour Total billl $664, parts $430, labor $234

664-430 = 36x

234=36x

x =234/36 = 6.5