High institution Math help » Pre-Algebra » Algebraic Equations » indigenous Problems and also Algebraic Equations » how to do word problems where two amounts are unknown

A farmer has 

*
 units of fence. If he uses this to build a square fence, what will certainly be the area enclosed by the fence?


*


*


*


*


*


Explanation:

Since we room looking in ~ a square, the formula because that the area of a square is 

*
.

You are watching: Which quantities are known and which are unknown?

Therefore we need to recognize the size of every side.

Since this is a square fence, then each the the four sides will be equal.

The quantity of fence the the farmer has actually in the difficulty will end up being the perimeter of ours square.

Since 

*
 when working through a square, because that this problem 
*
.

*

*

Plug that right into our original equation.

*

*

*


Rosie, Eileen and Sasha bespeak a pizza. That is divided into

*
 slices. Eileen eats
*
 slice. Roseanne eats twice as plenty of slices together Sasha.


Explanation:

Since the pizza began as 

*
 slices and there are currently
*
 slices remaining, a total of 
*
 slices were eaten (because 
*
). The the 
*
 eaten pieces, the is proclaimed that 
*
 slice was eaten by Eileen. This means a total of 
*
 slices were consumed by Roseanne and also Sasha combined. To discover exactly how plenty of slices Sasha ate, usage the reality that Roseanne ate double as plenty of slices together Sasha. Write and solve because that
*
 in the adhering to equation, where 
*
 is the variety of slices Sasha ate. Keep in mind that 
*
 stands for the variety of slices Roseanne ate, because she ate twice as numerous slices together Sasha.

*

*

*
 slices


Report one Error

Example concern #1 : how To carry out Word troubles Where Two quantities Are Unknown


A helicopter flies versus the wind native city A to city B in 5 hours. The very same helicopter returns from city B to city A, in the very same direction together the wind, in 4 hours. Uncover the proportion of the speed of the helicopter come the rate of the wind. 


Possible Answers:

10


8


11


9


7


Correct answer:

9


Explanation:

First, let

*
 = speed of the helicopter,
*
 = rate of the wind, and also
*
 = distance between city A and city B. Next, uncover the ratio of
*
 to
*
. Traveling against the wind:
*
*
. Traveling through the wind:
*
*
. Finally, set the equations same to one another:
*
.

Simplify the equation:

*
*
.


Report one Error

Example inquiry #4 : just how To perform Word difficulties Where Two quantities Are Unknown


Michael has 

*
 red shirt and 
*
 blue shirts, such that the ratio is 
*
 red shirts because that every 
*
 blue shirts. What is the minimum variety of shirts he deserve to have?


Possible Answers:

There is insufficient information to answer the question.


Correct answer:

*


Explanation:

It yes, really doesn"t issue what 

*
and
*
are. What matters is the ratio offered to us,
*
 red:
*
 blue. Let"s assume that he have the right to only have totality shirts. That method that the minimum number of red shirts he can have is 
*
, and also the minimum variety of blue is 
*
, giving us a full of 
*
.


Report one Error

Example inquiry #5 : just how To execute Word troubles Where Two quantities Are Unknown


Two cars leaving a city in ~ the very same time. One heads east at 

*
and the various other heads west in ~
*
. How much apart space they after 
*
 hours?


Possible Answers:
Correct answer:

*


Explanation:

Remember, 

*
. If us look in ~ the car going east, this would certainly mean:

*

*

*

If us look at the automobile going west, then:

*

*

*

Therefore, we need to add the two ranges to discover the complete distance between them.

See more: Chapter 8 Lord Of The Flies Questions, Lord Of The Flies Chapter 8 Quiz

*

*


Report one Error
watch Tutors
Linda Certified guardian
watch Tutors
Arij Certified guardian
Quaid e Azam college Islamabad Pakistan, Bachelor that Science, Biochemistry and Molecular Biology. Wayne State University, ...
view Tutors
catalen Certified guardian
University that Maryland-Baltimore County, Bachelor in Arts, Developmental Psychology.

All High college Math sources


8 Diagnostic test 613 practice Tests concern of the day Flashcards discover by concept
Popular Subjects
Spanish Tutors in brand-new York City, Calculus Tutors in mountain Diego, Physics Tutors in Miami, LSAT Tutors in Washington DC, English Tutors in Atlanta, English Tutors in Boston, sat Tutors in mountain Diego, biology Tutors in Chicago, Calculus Tutors in Boston, ISEE Tutors in Seattle
Popular courses & Classes
ISEE process & great in Phoenix, SAT courses & classes in Seattle, MCAT courses & great in san Francisco-Bay Area, ISEE process & classes in Houston, GMAT process & great in Dallas ft Worth, SSAT process & great in Seattle, GMAT courses & class in Denver, MCAT process & great in Philadelphia, ACT courses & great in Boston, MCAT courses & class in Los Angeles
Popular check Prep
LSAT test Prep in Boston, MCAT check Prep in Phoenix, GRE check Prep in Dallas fort Worth, GRE test Prep in Atlanta, ACT test Prep in Boston, sat Test prep in mountain Diego, MCAT test Prep in Philadelphia, GRE check Prep in Chicago, sat Test prepare in mountain Francisco-Bay Area, GRE test Prep in Washington DC
Report an problem with this question

If you"ve found an problem with this question, please let us know. With the assist of the community we can continue to boost our education resources.


Do not fill in this field
* her Name:
* worry Description:
DMCA complaint

your Infringement notification may it is in forwarded to the party that made the content available or to third parties such together ChillingEffects.org.

you re welcome follow these procedures to file a notice:

friend must incorporate the following:

Send your complain to ours designated certified dealer at:

Charles Cohn Varsity Tutors gmbh 101 S. Hanley Rd, Suite 300 St. Louis, MO 63105