Solve.
-Mark and Rachel both work for Smith Landscaping Company. Mark can finish a planting job in 4 hours, while it takes Rachel 5 hours to finish the same job. If Mark and Rachel will work together on the job, and the cost of
Labor is $60 per hour, what should the labor estimate be? (Round to the nearest cent, if necessary.)
A)$270.00
B)$27.00
C)$266.67
D)$133.33

Question

Quizplus · Accepted Answer

Mark and Rachel together can complete the job in 1/(1/4 + 1/5) = 20/9 hours. The labor cost is $60 per hour, so the total cost is (20/9) * 60 = $133.33.

Solve. -Mark and Rachel Both Work for Smith Landscaping Company. Mark