Questions on Word Problems: Linear Equations And Systems Word Problems answered by real tutors!

Tutors Answer Your Questions about Linear Equations And Systems Word Problems (FREE)

Question 390104: write the equation of the line through A(-2,3) and B(1,-2).
Click here to see answer by rfer(12731)

Question 390011: Find a if x^2-5x+a=0 has equal roots.
Click here to see answer by ankor@dixie-net.com(15747)

Question 390156: 1. Find an equation of the line that passes through the point (-1, 3) and is parallel to the line passing through the points (-2, -1) and (4, 3).
2. Given that the point P(2, -3) lies on the line -2x + ky + 10 =0, find k
Click here to see answer by robertb(4012)

Question 390240: how to write an equation for the line with slope 2/3 and y-intercept 5
Click here to see answer by josmiceli(9819)

Question 390305: Find the y-intercept and the x-intercept for the equation below:
6x+4y=96
What is the y-intercept? Type an ordered pair _____
What is the x-intercept? (Type an ordered pair) _____
My answer I came too was y intercept is 6 however, I don't know what the other number is?
My answer I came too for x-intercept is 4 however, I don't know that the other number is?
Click here to see answer by stanbon(57984)

Question 390505: The library charges 50 cents a week for a late book. What is the equation for the total fee? What are the variables? What are the x and y intercepts? I am also trying to find the slope of the line.
Click here to see answer by ewatrrr(10682)

Question 390671: Lee bicycled 3 km farther than Wing. The sum of the distances they bicycled was 25 km. How far did each bicyclist go?
Click here to see answer by checkley79(3056)

Question 390670: There are 12 people on the jury. There are 4 more men than women. How many men were there?
Click here to see answer by checkley79(3056)

Question 390666: Luke has $5 more than Sam. Together they have $73.00. How much does each have?
Click here to see answer by emargo19(101)

Question 390821: you make $5 on each t-shirt you sell and $3 on sweatpants.How many of each must you sell to raise more than $15o
Click here to see answer by stanbon(57984)

Question 391107: A roof rises 2.7 feet vertically and 8.1 feet horizontally. What is the grade of the roof?
Click here to see answer by nerdybill(7011)

Question 391112: About 20% of the time you sleep is spent in rapid eye movement (REM) sleep, which is associated with dreaming. If an adult sleeps 7 to 8 hours, how much time is spent in REM sleep?
Click here to see answer by rfer(12731)

Question 391165: A 5,000-foot rope is cut into 2 pieces. The length of one piece is 10 feet shorter than 4 times the length of the other. How long is each piece?
Click here to see answer by josmiceli(9819)

Question 391234: The perimeter of a rectangle is 18 inches. The length is twice the width. Please find the length and the width. (I worked at this thing but I got no where because I can only make one equation x+x+y+y=18 but in order to graph it on my worksheet I need another equation but I don't see another one.)
Click here to see answer by NOEL_33(3)

Question 391228: Twice one number is equal to 1 more than a second number. The sum of the numbers is 5. Find the numbers please. (I finished my whole worksheet except for 2 problems, because I don't know how to write the equation for them.)
Click here to see answer by josmiceli(9819)

Question 391268: Suppose you write a book. The printer charges $4 per book to print it, and you spend $3500.00 on advertising. You must sell the book for $15.00 a copy. How many copies must you sell so that your income from the sales is greater than your total cost?
Click here to see answer by josmiceli(9819)

Question 391249: Marie and Tony went shopping together. Marie bought 2L of milk and 10 oranges for $3.44. Tony bougth 3L of milk and 8 otanges for 3.69 What was the cost of of one liter of milk? of one orange?
Click here to see answer by josmiceli(9819)

Question 391768: find the intercepts of the given equation express each as an ordered pair
y=4x +12
Click here to see answer by ewatrrr(10682)

Question 391798: The ratio of men to women in attendance at a lecture was 7 to 5. If there where 35 men present, how many women were there?
Click here to see answer by Alan3354(31538)

Question 391799: If p is 90% of q then q is what percent of p
Click here to see answer by rfer(12731)

Question 391801: Given a right triangle with a hypotenuse of 16 and a leg of 8, find the length of the other leg to three decimal places.
Click here to see answer by richard1234(5390)

Question 391866: One elevator starts out on the 4th floor,35 feet above the ground,and is desending at a rate of 2.2 feet per second. the other elevator starts out at ground level and is rising at a rate of 1.7 feet per second. write a system of equations to represent the situtation.
Click here to see answer by stanbon(57984)

Question 391917: Ok I have tried to figure out what they want me to do on my own but I keep getting a wrong answer. The problem is: If Lynn can type a page in P minutes, what piece of the page can she do in 5 minutes?

If you can just tell me what they are asking me to do(multiply, divide, etc..) Then I can figure it out.

Thank you, Klampo
Click here to see answer by mananth(12270)

Question 392011: Suppose that for your exercise program, you either walk 5mi/d or ride your bicycle 10 mi/d. How many days will it take you to cover a distance of at least 150 mi?
Write a linear inequality that describes the situation.
Click here to see answer by josmiceli(9819)

Question 392080: Sheridan's monthly phone bill includes a fixed charge, which is the same each month, and an additional charge for toll calls. One month the bill was $22, which included charges for 5 toll calls. The following month the bill was $26, which included charges for 7 toll calls. Find the fixed charge and the average charge per toll call.

Click here to see answer by stanbon(57984)

Question 392083: Nathan's monthly electric bill includes a fixed service charge and an additional charge for the number of kilowatt-hours (kwh) of electricity used. One bill, including a charge for 595 kwh of electricity, is $61.72. Another bill, including a charge for 650 kwh, is $67.11. Find the fixed cahrge and the cost per kilowatt-hour.
Click here to see answer by ankor@dixie-net.com(15747)

Question 392072: A collection of 90 coins, pennies, nickels, and dimes, has a value of $2.85. If there are twice as may pennies as there are nickels and dimes combined, how many pennies, dimes, and nickels are there?

Click here to see answer by ankor@dixie-net.com(15747)

Question 392182: Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of -0.14. See the figure below.
There is $26.02 in credit remaining on the card after 43 minutes of calls. How much credit was there after 32 minutes of calls?

Click here to see answer by stanbon(57984)

Question 392186: plz help me to sove this problem
5 Fuji apples and 8 Sunkist oranges cost $17.20 while 3 Fuji apples and 9 Sunkist oranges cost
$13.05. Find the costs of a Fuji apple and a Sunkist orange respectively
Click here to see answer by stanbon(57984)

Question 392272: how to solve this linear equation?
3x+y=1
6x+2y=-2
Click here to see answer by ewatrrr(10682)

Question 392640: The sum of two numbers is 24. The second number is 3 times the first number. Write a system of equation that represent the information and solve by using the elimination method.
Click here to see answer by stanbon(57984)

Question 392649: Tickets for an amusement park are $12.50 for adults and $8.50 for children. The sales for all tickets sold during one day was $1169.50. Write an equation that represents the total sales using a for the number of adult tickets sold and c for the number of children's tickets sold.
Click here to see answer by ewatrrr(10682)

Question 392659: Tickets for an amusement park are $12.50 for adults and $8.50 for children. The sales total for all tickets sold during one day was $1169.50. The equation represented for the total sales is $12.50a+$8.50c=$1169.50. The total number of tickets sold was 107. Write an equation that represents the total number of tickets using a for the number of adult tickets and c for the number of children's tickets sold. Also, solve the equation to determine how many adult tickets and how many children's tickets were sold.
Click here to see answer by Alan3354(31538)

Question 392732: Twelve times a number decreased by 1/20 of the number is less than 3250. What is the number?
Click here to see answer by rfer(12731)

Question 392698: what is one tenth of y
Click here to see answer by rfer(12731)

Question 392763: jazmine has 24 candy apples and 34 nut covered candy apples.All together she made $280 dollars.what was the price of 1 candy apple
Click here to see answer by stanbon(57984)

Question 392776: Nicole purchased a prepaid phone card for $20 . Long distance calls cost 0.13 cents a minute using this card. Nicole used her card only once to make a long distance call. If the remaining credit on her card is $18.44 , how many minutes did her call last?
Click here to see answer by solver91311(17077)

Question 392820: Laura is driving to Seattle. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line with a slope of -0.75 . See the figure below.
Laura has 51 miles remaining after 33 minutes of driving. How many miles were remaining after 15 minutes of driving?

Click here to see answer by stanbon(57984)

Question 393547: Four times the difference of a number and 2 is the same as 2 increased by four times the number plus twice the number. What is the number?

Click here to see answer by mananth(12270)

Question 393643: find the intersection of x+3y-3=0 and 2x-7y+20=0 (Please show your solution. THanks!)
Click here to see answer by nerdybill(7011)

Question 393768: Carlos wants to rent a car. For the particular car he wants, Gentle Rental charges $185 per week plus 25 cents per mile driven. Rental Giant charges a flat fee of $275 per week. For what number of miles driven will renting from Gentle Rental cost Carlos less than renting from Rental Giant
Click here to see answer by ewatrrr(10682)

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