# Questions on Word Problems: Miscellaneous Word Problems answered by real tutors!

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 Word Problems: Miscellaneous Word Problems Solvers Lessons Answers archive Quiz In Depth

 Question 46311: True or False? (1) The graph of y=3x+1 looks exactly like the graph ofy=2x , but shifted up 1 unit. (2) The graph of any equation in the form y = mx + b passes through the point (0,0). (3) The ordered pair (3,4) satisfies the equation 2y-3x=-6 Click here to see answer by tutorcecilia(2152)

 Question 46273: Henrietta drove from her home to Boston and back again along the same road in a total of 10 hours. Her average rate going was 20 mph while her average rate on the return trip was 30 mph. How long did she take in each direction, and what distance did she cover each way? Click here to see answer by mszlmb(115)

 Question 46365: Could someone please help us figure this out! Time on a treadmill: After 2 minute, Jeremy has a heart rate of 82. After 3 minutes he has a heart rate of 86. Assume there is a linear equation that gives his heart "h" in terms of time on the treadmill "t". Find the equation and use it to predict his heart rate after 10 minutes on the treadmill. We are getting confused. Can anyone help? Click here to see answer by mszlmb(115)
 Question 46365: Could someone please help us figure this out! Time on a treadmill: After 2 minute, Jeremy has a heart rate of 82. After 3 minutes he has a heart rate of 86. Assume there is a linear equation that gives his heart "h" in terms of time on the treadmill "t". Find the equation and use it to predict his heart rate after 10 minutes on the treadmill. We are getting confused. Can anyone help? Click here to see answer by Earlsdon(6287)

 Question 46398: Sally brought three chocolate bars and a pack of gum and paid \$1.75. Jake brought two chocolate bars and four packs of gum and paid \$2.00. Find the cost of a chocolate bar and the cost of a pack of gum? Thank you. I have gotten so far as x = chocolate bar and y = gum. Click here to see answer by tutorcecilia(2152)
 Question 46398: Sally brought three chocolate bars and a pack of gum and paid \$1.75. Jake brought two chocolate bars and four packs of gum and paid \$2.00. Find the cost of a chocolate bar and the cost of a pack of gum? Thank you. I have gotten so far as x = chocolate bar and y = gum. Click here to see answer by saltzy57(8)

 Question 46443: Working together, Dan and Julio can mow the lawn in 12 minutes. Julio can mow the lawn by himself in 10 minutes less time than it takes Dan by himself. How long does it take each of them to mow the lawn alone? Click here to see answer by Paul(988)

 Question 46597: A 3-foot pole casts a shadow of 9 feet. How tall is a tree with a shadow of 12 feet? Click here to see answer by AnlytcPhil(1278)

 Question 46753: REPOST: Height of a post. Betty observed that the lamp post in front of her house casts a shadow of length 8 feet when the angle of inclination of the sun is 60 degrees. How tall is the lamp post? (In a 30-60-90 right triangle, the side opposite 30 is one-half the length of the hypotenuse.) Click here to see answer by saltzy57(8)

 Question 46746: A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees K. Find the equation converting Kelvin temperature to Fahrenheit. What is the Fahrenheit temperature when it is 180 degrees K? Click here to see answer by Nate(3500)

 Question 46742: If a student scored 75% on a test with a standard deviation of .5 and you know the mean was 70%, what was the estimated range of scores? I have no idea how to solve this one. Thank you for your help. Click here to see answer by Nate(3500)

 Question 46741: According to the standard normal curve, _____% of values should fall within +/ – 1 standard deviation; +/- 3 standard deviations; +/- 3.5 standard deviations? Could someone please help me with this problem? Thank you so very much! Click here to see answer by Nate(3500)

 Question 46751: Student-teacher ratio. The student/teacher ratio for Washington High was reported to be 27.5 to 1. If there are 42 teachers, then how many students are there? This can't be as simple as 42*27.5 is it? Click here to see answer by tutorcecilia(2152)

 Question 46425: One day, the temperature at 2:00 A.M. was 43°F, and by 3:00 P.M. the temperature was 56°F. What was the hourly rate of temperature change? Click here to see answer by consc198(59)

 Question 46896: Which option gives the greater ending balance? a. Put \$625 in an account that pays 8% interest compounded yearly for 8 years. b. Put \$750 in an account that pays 6% interest compounded yearly for 8 years. Click here to see answer by checkley71(8403)

 Question 46940: A room contains 96 chairs. THe number of chairs per row is four more than the number of rows. Find the number of rows and the number of chairs per row. Click here to see answer by Paul(988)

 Question 46955: Grimley had scores of 88,92,93, and 89 on his first four algebra tests. What score must he obtain on the fifth test to have an average better than 90 for the first five test? Click here to see answer by aaaaaaaa(138)

 Question 46958: The length of a rectangle pool is 6 meters less than twice its width. If the pool's perimeter is 126 meters,what are it's dimentions? Click here to see answer by mathchemprofessor(65)

 Question 46959: Our hears beat approximately 70 beats per minute. Express in scientific notation how many times the heart beats over a lifetime of 80 years. Round the decimal factor in your scientific notation to two decimal places. Click here to see answer by mathchemprofessor(65)

 Question 46956: A rectangle is twice as long as it is wide, and it's area is 98 square meters. Find the length and width of the rectangle. Click here to see answer by Nate(3500)

 Question 47036: a large petroleum storage facility has a capacity of 285,000 cubic feet. Express this capacity in gallons given that there are 7.481 gallons per cubic foot. i get 2.13 x 10^6 gal. Click here to see answer by checkley71(8403)

 Question 47066: Ok, I know the Pythagorean Theorem equation is a^2+b^2=c^2, but I'm lost on how to set this problem up. One leg of an isosceles right triangle is 11cm long. Find the lengths of the other sides. Please help! Click here to see answer by Nate(3500)

 Question 47185: The sum of two numbers is 72. One of the numbers is six more than twice the other. What are the two numbers? Click here to see answer by gsmani_iyer(180)
 Question 47185: The sum of two numbers is 72. One of the numbers is six more than twice the other. What are the two numbers? Click here to see answer by atif.muhammad(135)

 Question 47184: In a triangle, the sum of the interior angles is 180 degrees. If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle? Click here to see answer by gsmani_iyer(180)

 Question 47186: A bricklayer and an electrician together spend 90 hours working on a new house. If the bricklayer earns \$12 per hour, the electrician earns \$16 an hour, and the owner pays them a total of \$1350 for their work, how many hours does each worker spend on the house? Click here to see answer by atif.muhammad(135)

 Question 47177: Ineed help solving this word problem. on a math test, 12 students earned an A. This number is exactly 25%of the total number of students in the class. how many students are in the class? Would you please help me solve this problem. Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. what is adams correct average test score. Click here to see answer by jainenderkapoor(61)

 Question 47245: In a 10-foot-wide alley, two ladders lean against opposite walls. One ladder reaches 30 feet up the wall; the other ladder reaches 20 ft high. The bases of the ladders rest against opposite walls. How high about the ground will the ladders cross? Click here to see answer by checkley71(8403)

 Question 47471: The length of a rectangle is three inches more than the width. The area of the rectangle is 304 inches. If the width is x, what is the length in terms of x? Click here to see answer by checkley71(8403)

 Question 47331: A candy store sells malted milk balls for \$2.50 per pound, and chocolate-covered raisins for \$3.75 per pound. How many pounds of each should be used to make a 10 pound mixture that sells for \$3.00 per pound? Click here to see answer by stanbon(57407)

 Question 47537: Determine the Richter scale measure (to the nearest 0.01) of an earthquake that had an intensity of I=178,544,000I(o). Click here to see answer by stanbon(57407)

 Question 47658: A man goes into a grocery store and buys a grapefruit and a toy ball. A 7% tax is applied to the price of non-food items. If the total bill is \$5.15, including \$0.18 in tax on the toy ball, what are the prices of the grapefruit and the ball? Click here to see answer by josmiceli(9697)

 Question 47662: Which of the given interest rates and compounding periods would provide the better investment? (a) 9 1/4% per year, compounded semiannually (b) 9% per year, compounded continously Thank you Click here to see answer by stanbon(57407)
 Question 47662: Which of the given interest rates and compounding periods would provide the better investment? (a) 9 1/4% per year, compounded semiannually (b) 9% per year, compounded continously Thank you Click here to see answer by venugopalramana(3286)

 Question 47661: If \$4000 is borrowed at a rate of 16% interest per year, compounded quarterly, find the amount due at the end of 6 years. Thank you Click here to see answer by venugopalramana(3286)
 Question 47661: If \$4000 is borrowed at a rate of 16% interest per year, compounded quarterly, find the amount due at the end of 6 years. Thank you Click here to see answer by Nate(3500)

 Question 47851: A radioactive substance decays in such a way that the amount of mass remaining after t days is given by the function m(t)= 13e^(-0.015t) where m(t) is measured in kilograms. a. Find the mass at time t = 0. m(0) = 13e^(-0.015)(0) = 13 kilograms b. How much of the mass remains after 45 days? m(45) = 13e^(-0.015)(45) = 13(0.509) = 6.619 kilograms remaining. Hope this is close, Thank you very much!! Click here to see answer by Nate(3500)

 Question 47898: A rectangular enclosure must have an area of at least 900yd^2. If 200yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie? Click here to see answer by pizza(14)

 Question 47401: 1.The electricity costs of a business decreased from 12,00 one year to 10,920 the next year what is the rate of decrease? 2.The total bill was \$65.32 with the 15% gratuity already added what was the cost of the actual meal? Click here to see answer by awhalen(4)
 Question 47401: 1.The electricity costs of a business decreased from 12,00 one year to 10,920 the next year what is the rate of decrease? 2.The total bill was \$65.32 with the 15% gratuity already added what was the cost of the actual meal? Click here to see answer by tsmith5651(7)

 Question 48081: This problem comes from the Accuplacer practice test. Sarah needs to make a cake and some cookies. The cake requires 3/8 cup of sugar and the cookies require 3/5 cup of sugar. Sarah has 15/16 cups of sugar. Does she have enough sugar, or how much more does she need? She has enough sugar. She needs 1/8 of a cup of sugar. She needs 3/80 of a cup of sugar. She needs 4/19 of a cup of sugar. She needs 1/9 of a cup of sugar. I can get as far as: 3/8 + 3/5 -> 15/40 + 24/40 = 39/40. I know the answer is 3/80C. of Sugar, but I can't figure out how they worked it out. I've tried several variations, but cannot = 3/80. Click here to see answer by stanbon(57407)

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