d $20 an hour to work on the farm. His job usually consists of tending to the cows and fixing broken fences, but now the farmer needs him to replace the roof on the barn. The farmer has already purchased all the materials. The only thing left to do is put it on. The farmhand can complete the job in 18 hours if he works by himself. But if the farmer put the roof on by himself it would only take him 15 hours to complete the job. The cost of materials: Plywood - $1463.7 Nails - $65.7 Tin - $6309.6 How long would it take to finish the roof if the farmer and the farmhand work on the roof at the same time?
d $20 an hour to work on the farm. His job usually consists of tending to the cows and fixing broken fences, but now the farmer needs him to replace the roof on the barn. The farmer has already purchased all the materials. The only thing left to do is put it on. The farmhand can complete the job in 18 hours if he works by himself. But if the farmer put the roof on by himself it would only take him 15 hours to complete the job. The cost of materials: Plywood - $1463.7 Nails - $65.7 Tin - $6309.6 How long would it take to finish the roof if the farmer and the farmhand work on the roof at the same time?
Chapter7: Systems Of Equations And Inequalities
Section7.2: Systems Of Linear Equations: Three Variables
Problem 61SE: Last year, at Haven's Pond Car Dealership, for a particular model of BMW, Jeep, and Toyota, one...
Related questions
Question
The "Farmer" has a "Farmhand" that is paid $20 an hour to work on the farm. His job usually consists of tending to the cows and fixing broken fences, but now the farmer needs him to replace the roof on the barn. The farmer has already purchased all the materials. The only thing left to do is put it on. The farmhand can complete the job in 18 hours if he works by himself. But if the farmer put the roof on by himself it would only take him 15 hours to complete the job.
The cost of materials:
Plywood - $1463.7
Nails - $65.7
Tin - $6309.6
How long would it take to finish the roof if the farmer and the farmhand work on the roof at the same time?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
Elementary Algebra
Algebra
ISBN:
9780998625713
Author:
Lynn Marecek, MaryAnne Anthony-Smith
Publisher:
OpenStax - Rice University
Elementary Algebra
Algebra
ISBN:
9780998625713
Author:
Lynn Marecek, MaryAnne Anthony-Smith
Publisher:
OpenStax - Rice University
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Intermediate Algebra
Algebra
ISBN:
9781285195728
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning