Question about Sony FD Trinitron WEGA KV-27FS100 27" TV

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Let X = cost of TV. Let Y = cost of mini component. You said that both together cost 17500, so X + Y = 17500. You also said that the TV cost 1500 more than the component, so X = Y + 1500. If you combine both equations, you get (Y + 1500) + Y = 17500. Simply reduce this equation to 2Y + 1500 = 17500, which reduces to 2Y = 16000, which reduces to Y = 8000. Using either of the first 2 equations, if Y = 8000, then x must be equal to 9500. The TV cost 9500 and the component cost 8000.

Posted on Sep 18, 2007

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Posted on Jan 02, 2017

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A great tutorial: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-slope-intercept-form/v/linear-equations-in-slope-intercept-form

Mar 17, 2015 | math.com Computers & Internet

Math homework, but an English lesson involved: Proper spelling is "equation."

Offhand I see possibly that we need to set up to solve 5690/6600= X/100 and cross-multiply, then solve for X

Do again for 950/6600=Y/100 and cross multiply. Solve for Y.

At least we get to put something together that replaces the original equation with X%+Y%=100%

Now, I am leading up to Y% is the percentage change, but I need to bone-up on that point myself. Perhaps I have triggered the thought juices.

Offhand I see possibly that we need to set up to solve 5690/6600= X/100 and cross-multiply, then solve for X

Do again for 950/6600=Y/100 and cross multiply. Solve for Y.

At least we get to put something together that replaces the original equation with X%+Y%=100%

Now, I am leading up to Y% is the percentage change, but I need to bone-up on that point myself. Perhaps I have triggered the thought juices.

Sep 06, 2014 | Home Fencing

You will never learn any mathematics if you do not solve math problems. I am here to do your homework. I will however help you set the problem up.

1. Define variables (unknowns).

2. Let t be the price of the tennis shoes

3. Let r be the price of running shoes.

**Translate the text into mathematical expressions**

**A pair of running shoes costs 5$ more than a pair of tennis shoes**

5 $ more ---> ... +5

Cost of a pair of running shoes**(r) =** cost of a pair of tennis shoes **(t) +5**

So the first statement can be expressed as** r=t+5**

The total cost of both** ------> **Sum of the costs** r+t**

**The total cost of both is 115 $ ------> r+t=115**

Now you have a system of two linear equations in two unknowns

**( r=t+5**

**)**

**(r+t=115**

There are a few methods to solve the system (comparison, substitution, or combination/addition/elimination). I gave the 3 possible names for the third methods.

Choose a method and solve the system to find t and r.

Note: Although all three methods, if carried out correctly, will give you the same solution**(t,r)**, one of them should be preferred. **It is worthwhile to recognize immediately which method should be favored depending on the system you are dealing with.**

1. Define variables (unknowns).

2. Let t be the price of the tennis shoes

3. Let r be the price of running shoes.

5 $ more ---> ... +5

Cost of a pair of running shoes

So the first statement can be expressed as

The total cost of both

Now you have a system of two linear equations in two unknowns

There are a few methods to solve the system (comparison, substitution, or combination/addition/elimination). I gave the 3 possible names for the third methods.

Choose a method and solve the system to find t and r.

Note: Although all three methods, if carried out correctly, will give you the same solution

Oct 29, 2013 | Clothing Accessories

Apr 07, 2013 | Casio FX-115ES Scientific Calculator

if ur using pcl driver try with ps driver other wise make it pdf and try to print

Dec 09, 2012 | HP LaserJet 1200 Printer

Let p be the cost of a pear, and a the cost of an apple.

First statement

6p+3a=3.90 OR**2p+a=1.3 **(I simplified by 3)

Second statement

**2p+5a=3.30**

Solve the system.

I suggest you multiply the first equation by (-1) then add side to side. You will be able to find**a**. Plug the value of **a **in one of the original equation and solve for** p**

First statement

6p+3a=3.90 OR

Second statement

Solve the system.

I suggest you multiply the first equation by (-1) then add side to side. You will be able to find

Oct 18, 2011 | Fast Rabbit Software Master Math Word...

These are obviously opinionated answers however, I have had mine wired to my home for approximately 9 years and have had only 1 issue where a voltage regulator failed. The new regulator cost me just over $100.00 and was easy to replace. I crank my generator once every couple of months by adding about 1/2 gallon of fuel and let it run till empty. Never use fuel that has Methane as this fuel absorbs water and will damage fuel components if you leave fuel in your generator. If you leave empty as I do, it has had no effect thus far.

May 17, 2010 | Ultra Products Guardian Ultra Source...

16

$60 - $12 = 48

48/3 =

= 16 rides @ £3 each

The Frank I know would negotiate a block booking with discount and mess up and maths

$60 - $12 = 48

48/3 =

= 16 rides @ £3 each

The Frank I know would negotiate a block booking with discount and mess up and maths

Mar 30, 2010 | Mathematical Technologies Inc. MTI Tristan...

For this type of problem, a equals the constant cost of operation (monthly rent..etc) and b equals the cost to manufacture the items.

first equation: 320 = a + b(10)

second equation: 520 = a +b(20)

320 = a + 10b

520 = a + 20b subtract equation 2 from equation 1

-200 = -10b divide by -10

20 = b plug b into one of the equations

320 = a +(20)(10) multiply

320 = a +200 subtract 200

120 = a

Let me know if i need to explain further.

first equation: 320 = a + b(10)

second equation: 520 = a +b(20)

320 = a + 10b

520 = a + 20b subtract equation 2 from equation 1

-200 = -10b divide by -10

20 = b plug b into one of the equations

320 = a +(20)(10) multiply

320 = a +200 subtract 200

120 = a

Let me know if i need to explain further.

Dec 29, 2009 | Mathsoft StudyWorks! Mathematics Deluxe...

Hi romanam

If spoon is "s" and fork is "f"

you get 2 equations like:

4s + 3f = 15 equation 1

4s + 1f = 13 equation 2

Equation (1) - equation (2) gives :

2f = 2 which means

1f = 1 (dividing both sides by 2)

! fork costs $1

5 forks cost $5

If you are happy with the answer, please give a rating

luciana44

If spoon is "s" and fork is "f"

you get 2 equations like:

4s + 3f = 15 equation 1

4s + 1f = 13 equation 2

Equation (1) - equation (2) gives :

2f = 2 which means

1f = 1 (dividing both sides by 2)

! fork costs $1

5 forks cost $5

If you are happy with the answer, please give a rating

luciana44

Oct 08, 2009 | The Learning Company Achieve! Math &...

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