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

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 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Question 347779: kevin has 30 nickles and dimes worth \$2.40. how many nickles does he have? Click here to see answer by mananth(12270)

 Question 347902: Tom wants to build a fence around his rectangular pool. The dimensions of the pool are 18 feet by 22 feet. He wants a uniform border around the pool to be a uniform width. If Tom has 60 yards of fencing, find the width of the border. I have tried everything i have been taught and i still have no idea. Thanks Click here to see answer by josmiceli(9661)

 Question 348443: If soybean meal is 12% and cornmeal is 6% protein. How many pounds would you need to have a 240 lb mixture that is 9% protein. Click here to see answer by checkley77(12569)

 Question 348455: suppose operation # is defined by a#b = (-a)^2 + b What is the value of 6#(2#5)? Click here to see answer by edjones(7569)

 Question 348600: Find the diagonal of a rectangle whose length is 8 inches and whose width is 5 inches. Click here to see answer by stanbon(57250)

 Question 348483: A student adds two displacement vectors that have the magnitudes of 12.0 meters and 5.0 meters. What is a possible answer for the magnitude of the resultant vector? Click here to see answer by Fombitz(13828)

 Question 348665: It took Thomas 6 hours to walk an 18 mile trip. How fast did he travel? Click here to see answer by ewatrrr(10682)

 Question 348738: Solve for x. Note x^2 is x squared. x^2 = 26 Click here to see answer by JBarnum(2044)
 Question 348738: Solve for x. Note x^2 is x squared. x^2 = 26 Click here to see answer by Alan3354(30983)

 Question 348736: Find the x-intercepts. Note x^2 is x squared. y = x^2  9x + 20 Click here to see answer by JBarnum(2044)

 Question 348751: Write an equation for a direct variation with a graph that passes through each point. Ex. (6,2) Click here to see answer by Fombitz(13828)
 Question 348751: Write an equation for a direct variation with a graph that passes through each point. Ex. (6,2) Click here to see answer by jsmallt9(3296)

 Question 348769: one half of a certain even interger plus one fifth of the next consecutive even interger equals 48. Find the two intergers. Click here to see answer by stanbon(57250)
 Question 348769: one half of a certain even interger plus one fifth of the next consecutive even interger equals 48. Find the two intergers. Click here to see answer by ewatrrr(10682)

 Question 348768: one half of a certain even interger plus one fifth of the next consecutive even interger equals 48. Find the two intergers. Click here to see answer by ewatrrr(10682)
 Question 348768: one half of a certain even interger plus one fifth of the next consecutive even interger equals 48. Find the two intergers. Click here to see answer by checkley77(12569)

 Question 349164: a bicycle travels at a speed of 5 miles per hour for x hours.find a expression. Click here to see answer by ewatrrr(10682)

 Question 348649: Elissa wants to set up a rectangular dog run in her backyard. She has 36 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x. Click here to see answer by nyc_function(2733)

 Question 348648: A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 78 feet and the radius of the hemisphere is r feet, express the volume of the silo as a function of r. Click here to see answer by nyc_function(2733)

 Question 349182: For moving purposes, the Hendersons bought 28 cardboard boxes for \$234 . There were two kinds of boxes; the large ones cost \$9.50 per box and the small ones were \$7.50 per box. How many boxes of each kind did they buy? Click here to see answer by vleith(2825)

 Question 349191: A man bought 7 pounds of coffee and 10 pounds of butter for a total of \$58.50 . A day later, the prices had not changed and he bought 7 pounds of coffee and 5 pounds of butter for \$39.75 . Find the price per pound of the butter. Click here to see answer by unlockmath(1599)

 Question 349195: if the sum of a number and four is doubled, the result is eight less than the number. find the number Click here to see answer by ewatrrr(10682)

 Question 349443: Imogene's car traveled 280 mi averaging a certain speed. If the car had gone 5 mph faster, the trip would have taken 1 hour less. Find the average speed. i let r= rate of average speed i let r+5= rate could have been 1 hour less 280/r + 280/(r+5)= 280/r + 280/(r+5) Click here to see answer by mananth(12270)

 Question 349366: fifteen days after alan begin a diet he weighed 176 lb. after 45 days he weighed 170lb. a how much did he weigh at the beginning of the diet b. at this rate when will he weigh 165lb Click here to see answer by nyc_function(2733)

 Question 349506: Using Elimination: Suppose a man wants to mix 50 quarts of 56% liquor. How many quarts of pure alcohol and how many quarts of water must he add to 25 quarts of 72% liquor? Click here to see answer by Fombitz(13828)

 Question 349540: A student walks and jogs to school every day. She averages 4km/hour walking and 8km/hour jogging. The distance from home to school is 6km and the trip takes one hour. How far does the student walk. Click here to see answer by mananth(12270)

 Question 349566: There are 64 coins that equal \$9.25. How many are dimes and how many are quaters? Click here to see answer by mananth(12270)

 Question 349503: You can jog at a speed of 8 miles per hour, and run at a speed of 12 miles per hour. If you traveled 6 miles in 40 minutes, find the amount of time you jogged as well as the amount of time you ran. I mainly just need to know how to set it up... Click here to see answer by Fombitz(13828)

 Question 349512: Bill leaves his house for Makayla's house, riding his bicycle at 8 miles per hour. At the same time, Mikayla leaves her house, heading for bill's house walking at 3 miles per hour. Considering they live 8.25 miles apart please write a linear system that shows at what time they would meet. Click here to see answer by ankor@dixie-net.com(15639)

 Question 349973: Solve each system by the substitution method a) 2x - y = 4 2x - y = 3 b) x + 3y = 2 -x + y = 1 Click here to see answer by stanbon(57250)

 Question 349945: The sum of the digits in a two-digit number is 8. When the digits are reversed, the new number is 18 less than the original number. Set up the equations you would need to solve this problem  do not solve it please. Click here to see answer by ankor@dixie-net.com(15639)

 Question 350211: If a student missed 13 problems on a exams, the finally grade was 87%. How many problems were on the test? Click here to see answer by Alan3354(30983)

 Question 350559: Symbolize as a system of Equations but do not solve it: The Sum on one number and twice another is four. Is we subtract the second number from half the first number, we get twnty. I have to right it out but am not sure if i have it right if some one can tell me if I have it right thank you x+2y=4 (x-.5)-2y=20 Click here to see answer by jjordan95(63)

 Question 350494: The boiling and freezing temperatures of water are different in the two scales. Assuming that these scales are both linear  they really are, so thats not an issue  is there any point at which the temperature in Fahrenheit would equal that in Celsius? What I mean is, suppose we took a piece of metal and heated  or cooled  it to a particular value on the one scale. Is there any such value for which a thermometer measuring the other scale would have the same number? What would that number be, and how did you find it? Click here to see answer by Theo(3458)

 Question 350623: Find all values of A so that the line whose equation is Ax+Ay-2=(2-A)y is perpendicular to the line containig the points (1,-3) and (2,-3). Click here to see answer by Fombitz(13828)

 Question 350671: Find the values of x and y that solve the following system of equations: -6x+7y=24 -2x+5y=8 x= y= . Click here to see answer by Fombitz(13828)

 Question 350674: Find the x-intercept and y-intercept of the line given by the equation: 9x-6y=11 x-intercept= y-intercept= Click here to see answer by jim_thompson5910(28504)

 Question 350731: A boat travels 60 km upstream (against the current) in 5 hours. the boat travels the same distance downstream in 3 hours. What is the rate of the boat in still water? What is the rate of the current? Click here to see answer by mananth(12270)

 Question 350836: Twice some number is eight more than twelve.What is the number? Click here to see answer by checkley77(12569)

 Question 350968: write the equation of the line that passes through (0,2) and is parallel to y = 0 Click here to see answer by stanbon(57250)

 Question 351021: Solve each system by addition. a) x + y = 7 x - y = 9 b) x - 2y = -1 -x + 5y = 4 c) 3x + 5y = -11 x - 2y = 11 d) 2x = 2-y 3x + y = -1 Click here to see answer by Fombitz(13828)

 Question 351029: Eliminate the fractions (write all the coefficients and the constant as integers) in the following equation: x(3/4) + y(2/3) + z(5/6) = 2. Click here to see answer by mananth(12270)

 Question 351030: A defense attorney charges her client \$4000 plus \$120 per hour. The formula R =120n + 4000 gives her revenue in dollars for n hours of work. What is her revenue for 100 hours of work? What is her revenue for 101 hours of work? By how much did the one extra hour of work increase the revenue? Click here to see answer by jim_thompson5910(28504)

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