Shared work
Not what you're looking for?
After a heavy snowfall, Brian can shovel the entire driveway in 30 minutes. If his younger brother Allen helps, the job takes only 20 minutes. If we let x represent the time for Allen to clear the entire driveway by himself, write an expression for the following:
? Rate of work (job/minute=1 driveway/minute) by Brian
? Rate of work when Allen and Brian working together
? The rate of work by Allen
(Question also in attachment)
Purchase this Solution
Solution Summary
This is a shared work problem regarding shoveling snow. The rate of work when Allen and Brian is working together is determined.
Solution Preview
1. Brain's rate of work is 1 job for 30 minutes or 1/30 job/minute
2. Brain and ...
Purchase this Solution
Free BrainMass Quizzes
Probability Quiz
Some questions on probability
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.