Copyright

Wilma can mow a lawn in 30 minutes. Rocky can mow the same lawn in 60 minutes. How long does it...

Question:

Wilma can mow a lawn in 30 minutes. Rocky can mow the same lawn in 60 minutes. How long does it take for both Wilma and Rocky to mow the lawn if they are working together?

Unit Rate of Work Done:

To solve this problem, we need to form an equation that represents the given situation. We represent the work to be done as a variable since the amount is not specifically given.

If a person does W amount of work in X hours, work done per unit of time is given as:

{eq}\dfrac{W}{X} {/eq}.

Answer and Explanation: 1

Become a Study.com member to unlock this answer! Create your account

View this answer

Let the total amount of work to be done be W.

Wilma does W work in 30 mins. So, the amount of work she does in 1 min = {eq}\dfrac{W}{30} {/eq}

Simi...

See full answer below.


Learn more about this topic:

Loading...
How to Find the Unit Rate

from

Chapter 50 / Lesson 2
23K

Unit rates can be helpful for anyone trying to figure out miles per hour, earnings per year, or practically any other amount of one unit it takes for something to happen in other units. In this lesson, take a look at what a unit rate is, why people use unit rates, finding the unit rate, and an example of unit rates.


Related to this Question

Explore our homework questions and answers library