|
Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)
Question 112135: One pump can fill a water tank in 25 minutes. Another pump can fill the same tank in 50 minutes. If the first pump is open for 5 minutes before the second is opened, how long will it take to fill the tank?
Click here to see answer by ptaylor(2198)   |
Question 112134: One pump can fill a water tank in 25 minutes. Another pump can fill the same tank in 50 minutes. If the first pump is open for 5 minutes before the second is opened, how long will it take to fill the tank?
Click here to see answer by ptaylor(2198) |
Question 112967: Two Pipes can be used to fill a pool. Working together the two pipes can fill the pool in four hours. The larger pipe can fill the pool in four hours less time that then smaller pipe can alone. Find the time to the nearest tenth of an hour it takes for the smaller pipe working alone to fill the pool.
Click here to see answer by ptaylor(2198) |
Question 113310: Sam's annual interest from an investment iss 225. If Sam had invested $600 more at an annual interest rate that was 1% less, the annual interest would have been $234. What are the amount and rate of his actual investment?
Click here to see answer by stanbon(75887) |
Question 113310: Sam's annual interest from an investment iss 225. If Sam had invested $600 more at an annual interest rate that was 1% less, the annual interest would have been $234. What are the amount and rate of his actual investment?
Click here to see answer by Earlsdon(6294) |
Question 113312: Please help. I am not sure what topic to place the question under I have tried several topics with no results.
A small firm produces both AM and AM/FM car radios.
The AM radios take 15 h to produce, and the AM/FM radios take 20 h.
The number of production hours is limited to 300 h per week.
The plant’s capacity is limited to a total of 18 radios per week, and existing orders require that at least 4 AM radios and at least 3 AM/FM radios be produced per week.
Write a system of inequalities representing this situation.
Then, draw a graph of the feasible region given these conditions, in which x is the number of AM radios and y the number of AM/FM radios.
Thanks
JMS
Click here to see answer by stanbon(75887) |
Question 113309: A salesperson finds that her sales average 40 cases per store when she visits 20 stores per week. For every two additional stores she visits per week, the average sales per store decrease by one case. How many stores should she visit each week if she wants to maximize her total sales?
Click here to see answer by stanbon(75887) |
Question 113478: can you help me?
1.an older computer unit requires 12min more to print a company's payroll than does a newer computer unit. used together the computers can print the payroll in 8 min. find the time the new computer unit, used alone, will require to print the payroll.
2.working together. Dan and Leah can mow a lawn in 1 h and 12 min. Working alone, Leah can mow the lawn in 1 h less time than it would take Dan. Find the time it takes for each of them, working on his/her own, to mow the lawn.
i hope you can help me..
god bless..
Click here to see answer by moou_b(3) |
Question 113477: can you help me?
1.an older computer unit requires 12min more to print a company's payroll than does a newer computer unit. used together the computers can print the payroll in 8 min. find the time the new computer unit, used alone, will require to print the payroll.
2.working together. Dan and Leah can mow a lawn in 1 h and 12 min. Working alone, Leah can mow the lawn in 1 h less time than it would take Dan. Find the time it takes for each of them, working on his/her own, to mow the lawn.
i hope you can help me..
god bless..
Click here to see answer by scott8148(6628)  |
Question 113996: 88. Melanie can paint a certain barn by herself in x days. Her helper Melissa can paint the same barn by herself in 2x days. Write a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expression for x = 5
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 114132: Please help with the problem below. I already know how to create the graph.
What I need is to know step by step information on how to shade the particular area called for in the problem. I need help please.
I entered the following information to create the graph
x=4, x=18, y=3, y=18, y=(-3/4)x+15 and y=-x+18
This is how the problem reads.
Draw the appropriate graph for the following.
A small firm produces both AM and AM/FM car radios.
The AM radios take 15 h to produce, and the AM/FM radios take 20 h.
The number of production hours is limited to 300 h per week.
The plant’s capacity is limited to a total of 18 radios per week, and existing orders require that at least 4 AM radios and at least 3 AM/FM radios be produced per week.
Write a system of inequalities representing this situation.
Then, draw a graph of the feasible region given these conditions, in which x is the number of AM radios and y the number of AM/FM radios.
Thanks
JMS
Click here to see answer by stanbon(75887) |
Question 114273: 1. define a variable and write an equation to model each situation. then solve.
the rate to rent a certain truck is $55 per day and 20 cents per mile. your family pays $80 to rent this truck for one day. how many miles did your family drive?
2. 9j+3=3[3j+1]
3. 1 over four[k-1]=10
4. 5n+1/over 8=1/2
Click here to see answer by solver91311(24713)  |
Question 115432: If someone could please help me with this problem that would be great.
Working alone Shana can rake the leaves in the yard in 4-1/2 hrs, while it takes John only 3 hrs to do the same task. How fast can they rake the leaves if they work together if they both work at their original rates?
Click here to see answer by ankor@dixie-net.com(22740) |
Question 116908: Betty and Frank, working together can paint the exterior of a house in 3 days. Frank, by himself can complete the job in 8 days less than Betty. How long will it take Betty to complete the job by herself?
Click here to see answer by edjones(8007)  |
Question 116939: Good afternoon ma'am or sir Will you please help me in solving this problem:
1). Using pipe A, a pool, can be filled with water in 6 hours. Pipe bcan drain the pool in 12 hours. If both pipes were accidentally left open, how long would it take to fill the pool?
Thank you ma'am or sir for your generosity in solving my problem.
Click here to see answer by josmiceli(19441)  |
Question 116938: Good afternoon ma'am or sir. Will you please help me in solving this worded problems:
1). Ryoma can painttheir house 7 1/2 days, however Sakuno helped him and together they were able to do the painting in just 4 days. If Sakuno work alone how many days would it take to paint the whole house?
2).A pipe can fill the pool in 6 hours. A small pipe can fill the pool in 8 hours. The pool will be empty within 12 hours. How long would it take to fill the pool if both filling pipe and draining pipe are both open?
Click here to see answer by ankor@dixie-net.com(22740) |
Question 116938: Good afternoon ma'am or sir. Will you please help me in solving this worded problems:
1). Ryoma can painttheir house 7 1/2 days, however Sakuno helped him and together they were able to do the painting in just 4 days. If Sakuno work alone how many days would it take to paint the whole house?
2).A pipe can fill the pool in 6 hours. A small pipe can fill the pool in 8 hours. The pool will be empty within 12 hours. How long would it take to fill the pool if both filling pipe and draining pipe are both open?
Click here to see answer by stanbon(75887) |
Question 118621: A square sheet of Aluminum is placed in the hot sun. It begins to expand very slowly so that its diagonal is increasing at the rate of 1 milimeter per minute. At the moment that the diagonal is 100 milimeters, at what rate is the area increasing?
Click here to see answer by stanbon(75887) |
Question 118607: Sam drove a distance of of 410 miles in 7 hours. for the first part of the trip, his average speed was 40 mph and for the remainder of the trip, his average speed was 60 mph. how long did he travel at each speed?
Click here to see answer by stanbon(75887) |
Question 118864: A set of staircases grows at a certain rate.If the rule to find out how many blocks are needed total to make a staircase with n number of steps is (n) (n)/2+1/2n=y then what is the rule to find out the number of steps in the staircase if y is given?
ex.n(n)/2+1/2n=105 (solve for n)
Click here to see answer by MathLover1(20849)  |
Question 119289: a cold water faucet could fill a sink in 15 minutes, and a hot water faucet can fill it in 12 minutes. the drain can empty the sink in 25 minutes. if both faucets are on and the drain is open, how long will it take to fill the sink?
Click here to see answer by MaxLiebling(13) |
Question 119789: Julianne and Angel are having a party. It would take Angel 6 hours to call everyone she wants to invite. If Julianne helps, it will take only 4 hours. How long woule it take only Julianne to invite everyone?
Click here to see answer by stanbon(75887) |
Question 121068: Please help me with this word problem:
Write an equation and solve. Aaron and Karen are agruing over who should clean the house. Aaron can clean the whole house in 12 hours. It takes Karen 6 hours to clean the same house. If they both clean the house, starting at opposite ends, how long will it take for the house to be cleaned?
Click here to see answer by josmiceli(19441) |
Question 121396: A consulting engineer's time is billed at $100 per hour, and her assistant's is billed at $20 per hour. A customer received a bill for $1200 for a certain job. If the assistant worked 3 hours less than the engineer, how much time did each bill on the job?
Click here to see answer by checkley71(8403) |
Question 121862: Felicia and Rachelle are students in Mr. Johnston's Math 12 class. They got behind on their workcand need to finish seven assignments on the weekend. It would take Felicia 4 hours to finish the work by herself. It would take Rachelle 5 hours. If they worked together, how long would it take them to finish the work?
(answer in hours and minutes please:] )
Click here to see answer by ankor@dixie-net.com(22740) |
Question 121973: 1) Glenn can paint a house in 9 hours while Stewart can paint the same house in 16 hours.They work together for 4 hours.After 4 hours,Stewart left and Glenn finished the job alone.How many more hours did it take Glenn to finish the job?
2)It takes Butch twice as long as it takes Dan to do a certain piece of work.Working together they can do the work in 6 days.How long would it take Dan to do it alone?
3)A and B working together can finish painting a house in 6 days.A working alone can finish it in 5 days less than B.How long will it take each of them to finish the work alone?
Click here to see answer by Edwin McCravy(20054)  |
|
Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910
|
| |
