Nancy's Lawn Care specializes in residential lawn cutting and fertilizing. Nancy, the owner, has tracked his income and expenses. She has determined that her profit can be represented by the expression $5A, where A is the area of a lawn in square metres. The time, in hours, that it takes her to maintain a lawn is approximately 0.054 + 0.25. a) Write a rational expression for Nancy's profit per hour. b) Evaluate the rational expression you wrote in part a) for a lawn with an area of 90 m².

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
Nancy's Lawn Care specializes in residential lawn cutting and fertilizing. Nancy, the owner, has tracked
his income and expenses. She has determined that her profit can be represented by the expression $54,
where A is the area of a lawn in square metres. The time, in hours, that it takes her to maintain a lawn is
approximately 0.054 +0.25.
a) Write a rational expression for Nancy's profit per hour.
b) Evaluate the rational expression you wrote in part a) for a lawn with an area of 90 m².
Transcribed Image Text:Nancy's Lawn Care specializes in residential lawn cutting and fertilizing. Nancy, the owner, has tracked his income and expenses. She has determined that her profit can be represented by the expression $54, where A is the area of a lawn in square metres. The time, in hours, that it takes her to maintain a lawn is approximately 0.054 +0.25. a) Write a rational expression for Nancy's profit per hour. b) Evaluate the rational expression you wrote in part a) for a lawn with an area of 90 m².
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Similar questions
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,