153 Answered Questions for the topic Substitution Method

02/24/15

The value of your EFG stock is three times the value of your PQR stock. If the total value of the stocks is $4500, how much is invested in each company?
The equations that are first gotten should be 2 equations for a system. If the work could use the substitution method, that'd be great. Thanks!
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Substitution Method Word Problem

02/21/15

Charges of taxi companies
In one city, taxi company A charges $5 plus $0.35/km travelled. Taxi company B charges $3.50 plus $0.50/km. For what distance is the charge the same using either taxi company?
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Substitution Method

02/20/15

There are 35 people in a room.
There are seven more males than females in the room. How many males are there? How many females are there? 
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Substitution Method

02/20/15

Josie wants to buy internet access
One service provider charges a flat rate of $34.95/month. A second charges $25/month plus 33¢/hour. For what number of hours per month should Josie choose the flat rate?
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Substitution Method Word Problem

02/15/15

One one trip she traveled 2 miles upstream in 50 minutes with the return trip taking 22.9 minutes.
Marta practiced kayaking on a local river. One trip for 2 miles upstream took her 50 minutes and the return took her 22.9 minutes. What was her speed in the still water and the speed of the river... more
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Substitution Method

02/11/15

y=3x and 2x-15y=86
Solve using the substitution method
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Substitution Method

02/11/15

How far is it from Central City to Clear Creek?
It takes a passenger train 2 hours less that it takes a freight train to make the trip from Central City to Clear Creek. The passenger train averages 96km/h while the freight train averages 64... more
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Substitution Method Full Answer

01/25/15

4x-2y=-6 x-1/2y=3
What is the answer to this question    3x+2y=11  2x+6y=-2
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01/21/15

Question is a word problem so its below
cake batter frozen yogurt costs $0.60/oz and chocolate frozen yogurt costs $0.40/oz. if you want to buy 6 oz of frozen yogurt for an average of $0.45/oz, how many of each flavor should you get
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Substitution Method

01/14/15

y=-4x - 4 y=2x - 4
substituition
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Substitution Method Elimination Method

01/10/15

Using the substitution method
I have two questions that involve using either the elimination or substitution method and i need which method and how   1.  4x-7y=3 x-7y=-15   2. 3x+2y=-15 x-2y=19
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Substitution Method Word Problem

12/26/14

math word problem
The senior classes at High School A and High School B planned separate trips to Yellowstone National Park. the senior class at High School A rented and filled 13 vans and 11 buses with 647... more
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Substitution Method

11/21/14

how to solve this problem by substitution 3x+y=4 y=4x-3
I'm not getting it
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Substitution Method Algebra 1

11/11/14

so theres this equation and its really confusing me out!
Solve Y=5x-4y X+y=12   1/3x+y=1/2 X-y=3/4    
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Substitution Method System Of Equations

11/09/14

system of equations
Explain, in complete sentences, how you would use the substitution method to solve the following system of equations and provide the solution to the system.x + 5y = 32x + 9y = 4
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Substitution Method System Of Equations

11/05/14

System of equations
The following system is solved by substitution. Which expression is substituted for z in the second and third equations?x + 4y + z = -103x - 3y + 6z = -21x + 2y + 2z = -10
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Substitution Method

11/04/14

solve y=x^2+7x+100 using substitution
Solve y=x^2+7x+100 using substitution
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Substitution Method

10/30/14

5x-2y=1 4x+5y=47
how to use substitution method with these 
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Substitution Method Algebra Equations System Of Equations

10/29/14

Rewrite each equation so coefficients are integers. Then solve the system of equations by the substitution method.
0.4x+0.5y=0.2 0.3x-0.1y=1.1
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Substitution Method

10/21/14

x-2y=5 x-3y=7
show work please?
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Substitution Method Solve System By Substitution

10/19/14

how to solve these two problems by substitution step by step
3x-y=5 y=4x+2   2x-y=1 5x-5y=10
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Substitution Method Trigonometry Limits Cosine

10/17/14

Find the limit as theta approaches p/4
lim        cosθ-(1/√2)/(θ-π/4) θ→π/4   I rewrote θ as h so I have lim   which is cosh-(1/√2)/h-(π/4)                                       h→0 I also know that the lim as h→0 of cosh-1/h is 0... more
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Substitution Method Solving Story Problems

10/14/14

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6 times more money than Francine. How much money does Hannah have?
Can anyone help with formula for answer?
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Substitution Method

09/28/14

y=20x and y=5x+2
I need to solve these using the substitution, addition, or elimination method. Whatever works.
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09/28/14

In basketball, a free throw is 1 point and a field goal is either 2 points or 3 points... WHOLE PROBLEM IN DESCRIPTION WOULDN'T FIT HERE SORRY
In basketball, a free throw is 1 point and a field goal is either 2 points or 3 points. Suppose a professional basketball player scored a total of 1938 points in one season. The total number of... more
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