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Question 140492: I am trying to find out the price and item should be when I know the margin and cost. Say:
X - 11 = .31
-------
X
I know it's simple but it's been a while. I've tried moving things around and got
X = cost
----
.31 but that doesn't work
Thanks for the help

Click here to see answer by jim_thompson5910(35256)

Question 141024: Describe what the graph of interval [-4,10] looks like.
Click here to see answer by vleith(2983)

Question 141107: Is this as simple as adding two numbers togather? Find 2 consecutive even integers that have a sum of 450.
Click here to see answer by jojo14344(1513)

Question 141104: I have about five problems that I could not workout on my quiz and this is one of them 0.4x+2.5=-7.5 can someone work it out in detail for me please.
Click here to see answer by jojo14344(1513)

Question 141102: Plaese answer this in detail for me its due May 12 at mid night 3= 5/11 x-2
Click here to see answer by rapaljer(4671)

Question 141105: Please work this out set by set so I can understand how to get from a-z please.
1/5 x+2=1/2 x+1
Click here to see answer by rapaljer(4671)

Question 141100: Can someone please work this out set by step please 2/3 x=1/3x+2
Click here to see answer by edjones(8007)

Question 141242: I NEED TO KNOW HOW DO I FACTOR BY GROUPING.HERE IS MY PROBLEM.X3+X2+3X+3=
Click here to see answer by stanbon(75887)

Question 141310: 2a+x=3a+9
Click here to see answer by vleith(2983)

Question 141306: Please help me out with this questions
6x +7y = 12
- 4x + y = 26
what is the solution of the system?

6m + n = 46
m � 6n =20
what is the solution of the system?

9x -3y = -114
2x + 24 =y
what is the solution of the system?

9x + 8y = 2
-9x + y =61
what is the solution of the system?

If the perimeter of a rectangle is 52 m. the length is 2 m more than twice the width. Find the dimensions. What is the length

Click here to see answer by solver91311(24713)

Question 141364: The man reduced the price 12%, down to $7920. What was the original price?
Click here to see answer by checkley77(12844)

Question 141366: There is a total of $40 in dimes and nickels. there is a total of 600 coins. how many are dimes and are many aare nickels.
Click here to see answer by checkley77(12844)

Question 141414: There is a school dance. It is $0.50 for tickets before the day of the dance and $0.75 for tickets at the door of the dance. If the school sold 110 tickets and made $275, how many tickets have been sold at the door?
Click here to see answer by scott8148(6628)

Question 141422: 1. Write an equation of the line containing the given point and perpendicular to the given line. Express your answer in the form y = mx + b
(4,5); 3x + y = 4
The equation of the line is y = What?
2. Write an equation of the line containing the given point and perpendicular to the given line.
(3, - 3); 8x +7y =
The equation of the line is y = What?

Click here to see answer by stanbon(75887)

Question 141443: An initial investment is made at 4.5% interest, compounded semi annually, how long will it take to become 4 times the original amount?
Is this question even possible without the amount of the initial investment?
Click here to see answer by ankor@dixie-net.com(22740)

Question 141980: What if the interest earned by $8000 invested at a certain rate is $500 less than $12000 would earn at a rate 1% lower, at what rate is $8000 invested?
Click here to see answer by ankor@dixie-net.com(22740)

Question 142226: The function S(t)=139.2-5.1t can be used to estimae the total Cuban sales of windshield wiper fluid, in thousands of dollars, t years after 1990. Predict the total Cuban sales of windshield wiper fluid in 2010.
This problem showed up on a quiz, and still don't know the answer. Please help.
Click here to see answer by stanbon(75887)

Question 142259: In 1997, a restaurant chain had a profit of $45,000. In 2005, the company had a profit of $2,605,000. Find the average rate of change of the chain's profit in dollars per year.
Click here to see answer by checkley77(12844)

Question 142427: find the coordinates of the vertex and determine whether the graph opens up or down.

y=x2-5
Click here to see answer by checkley77(12844)

Question 142423: find the coordinates of the vertex and determine whether the graph opens up or down.

y=x2-5
Click here to see answer by checkley77(12844)

Question 142460: He reduced the price 15% to $6800. What was the original price?
Click here to see answer by jojo14344(1513)

Question 142829: You are trying to decide how to most efficiently use your oven. You do not want the oven running at a high temperature when it is not baking, but you also do not want to waste a lot of time waiting for the oven to reach the desired baking temperature.
The instruction manual on the industrial oven suggests your oven temperature will increase by 45 degrees Fahrenheit per minute. When the over is initially turned on, the temperature is 70 degrees Fahrenheit. What will the temperature of the oven be after 7 minutes? Write an expression and explain how you arrived at your answer.

Click here to see answer by Fruglemiester1234(13)

Question 143046: Which of the following is an example of direct variation?
1.) the area of any square compared to the length of its side
2.) the perimeter of any square compared to the length of its side
3.) the time it takes to drive 500 miles compared to speed
4.) the temperature compared to the time of day
I think the answer is number 3 but I'm not completely sure.

Click here to see answer by rapaljer(4671)

Question 143168: Please help me answer this! it's very important! :]

Andrea purchased a picture frame for $14.56. This price was a 30% markup from the wholesale cost. What was the wholesale cost?
Click here to see answer by zephyr(9)

Question 143089: Each student in an international study group speaks English, Japanese, or Spanish. Of these students, 100 speak English, 50 speak Japanese, 100 speak Spanish, 45 speak English and Spanish, 10 speak English and Japanese, 13 speak Spanish and Japanese, and 5 speak all three languages. How many students do not speak English?
The answer I got is 163 students. Is it correct?
Click here to see answer by zephyr(9)

Question 143183: i need help with this story problem.
Andrea purchased a picture frame for $14.56. This price was a 30% markup from the wholesale cost. What was the wholesale cost?
please & thank-you!
:]
Click here to see answer by jojo14344(1513)

Question 143223: Pls help me.
Steve owns a hotdog stand. He has found that sales of hot dogs average 45,000 hot dogs a year when the hot dogs sell for $2.50 each. For each 50 cent increase in the price, the number of hotdogs sold drop by 5000. What price per hot dog should Steve charge to realize the maximum revenue?
Click here to see answer by vleith(2983)

Question 143363: The revenue for selling x coffee makers is given by R = x(43 � 0.2x) dollars. The cost of each coffee maker is $19. How many coffee makers must be sold to achieve a profit of at least $675.00? (Hint: Profit = Revenue - Cost)
Click here to see answer by stanbon(75887)

Question 143345: solving an algebra equation for an interest rate parity problem in finance...
1+.0413 = (4.9260)(1+k)(1/5.0110)
Solution given in my workbook gives k = 5.93%
I have tried every which way to compute the 3 multiplication terms which is where I'm going wrong and then trying to solve but I never get that answer? How do you solve?

Click here to see answer by stanbon(75887)

Question 143313: Where Sondra lives, there is a 3% state sales tax, a 1 1/2% (one and one-half) county sales tax, and a 1% municipal sales tax. How much will Sondra pay if she buys a $340 bicycle?
Click here to see answer by edjones(8007)

Question 143404: How do you know when an equation has infinitely
many solutions?
How do you know when an equation has no solution?

Click here to see answer by nabla(475)

Question 140673: Describe what the graph of interval [-4,10] looks like.
Click here to see answer by nabla(475)

Question 143760:
Click here to see answer by rapaljer(4671)

Question 143795: I have a real stinker problem here, can you help me?
Evaluate the expression if a= -3, b = 4, c= -5, and d = -6.

b^2 - 2bc + c^2

b^2 means b squared; c^2 means c squared
Thank you.
Click here to see answer by nabla(475)

Question 143797: Hi, can someone help me with this problem?
Solve for x and y: 2x + 3y = 1
5x + 3y = 16
Thanks.
Click here to see answer by nabla(475)

Question 143796: Good morning, I have a problem that I need help with, thanks so much.
Jose has savings accounts for each of his five children.
They contain $225, $126, $328, $75, and $25. Find the median and the mean amount of money per account.

Click here to see answer by checkley77(12844)

Question 143794: Good morning! Can someone help me with this problem? I would appreciate it.
Ramon owes $760 on his VISA account. He returns three items costing $40.10, $38.80, and $120.00 and receives credit on his account.
Next, he makes a payment of $430. He then makes a purchase of $81.5. How much does Ramon still owe? Show work.

Click here to see answer by jojo14344(1513)

Question 144400: The length of rectangle is fixed at 11cm. what widths will make the permeter greater than 92cm?
11x-9<-53 =?
6(3+4x)-8>154=
Please help!
Click here to see answer by vleith(2983)

Question 144835: Could you explain why the line x = 4 is a vertical line. I need help.
Thanks
Yolanda
Click here to see answer by jim_thompson5910(35256)

Question 144910: How to solve x + 102500 - 103150 = 18600
Click here to see answer by checkley77(12844)

Question 145122: find the cost of 15 shared of stock at 13 1/2 share
Click here to see answer by checkley77(12844)

Question 145121: 5 2/5 divided by 1 4/5 equals what?
Click here to see answer by checkley77(12844)

Question 145120: 7 3/5
- 4 5/6
_______________
?
Click here to see answer by checkley77(12844)

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