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Question 1040269: The telephone company offers two types of service with plan A you can make an unlimited number of a local calls per month for $18.50 with Plan B you pay $6.50 monthly Plus $0.10 for each minute of calls after the first 40 minutes at least how many minutes would you have to use the telephone each month to make Plan A the better option? Please help I don't know how to set this up I'm not good at solving word problems.

Click here to see answer by Theo(13342)

Question 1040207: A manufacturer has found that if his product is priced at N90 per unit then his weekly demand is 50units, but the demand rises to 60units per week if the selling price is N70 per unit. His weekly fixed cost is N3,000 and variable cost N20 per unit. Find the level of production which maximizes profit and determine the maximum profit.
Click here to see answer by Theo(13342)

Question 1040206: To produce one unit of a new product, a company determines that the cost for material is 2.50 per unit and the cost of labour is N4 per unit.The constant overhead cost is N5,000. If the cost to a wholesaler is N7.50 per unit, determine the least number of units thatmust be sold by the company to realize a positive profit
Click here to see answer by jorel555(1290)

Question 1009499: Antonio and Jeremy work for a plumbing company that was recently awarded a contract to install the plumbing fixtures in a new office complex. There are 12 bathrooms in the building. It takes Jeremy 4 hr longer than Antonio to complete one bathroom. If they work together it takes 8 hr to complete a bathroom. Find the rate at which each individual can complete a bathroom working alone.
Click here to see answer by jorel555(1290)

Question 1040298: A watch is sold at a profit of 20% on the cost price after allowing a discount of 20% on the marked price. Find the M.P of the watch is a profit of Rs. 100 is made on it.
Click here to see answer by josmiceli(19441)

Question 1040359: A certain compound is a mixture of two concentrations of iron which are 44% and 29%. How many pounds of each concentration must be used to form 50 lbs.of compound having 38% iron?
Click here to see answer by stanbon(75887)

Question 1040694: A certain recipe calls for 3/5 cup of flour. A chef is making an amount that is 5/7 of the recipe. How much flour should the chef use?
Click here to see answer by ikleyn(52788)

Question 1040208: let p=0.09q + 50 be the supply equation for a manufacturer. the demand equation for his product is p = 0.07q + 65. if a tax of n1.50 per unit is to be imposed on the manufacturer, how will the original equilibyium price be effected if the demand remains the same?
Click here to see answer by JoelSchwartz(130)

Question 1040754: 1. Anne and Nancy use a metal mixture that is 20% copper to make jewelry. How many ounces of a 14% alloy must be mixed with a 23% alloy to form 69 ounces of the desired alloy?

2. A cruise boat travels 36 miles downstream in 3 hours and returns to its starting point in 12 hours. Find the speed of the stream?
Click here to see answer by stanbon(75887)

Question 1000397: how many milliliters of pure water should a pharmacist add to a 50 ml of a 15% solution to make a 10% solution
Click here to see answer by jorel555(1290)

Question 999641: You have two beakers of acid solutions. One beaker contains a 25% acid solution, and the other beaker contains a 98% acid solution. How many liters of the 25% acid solution must you mix with the 98% acid solution to make 2 liters of a 63% acid solution? Write your answer correct to two decimal places
Click here to see answer by jorel555(1290)

Question 1015902: Ralph Chase plans to sell a peice of property for $145000. He wants the money to be paid off in two ways-a short term note at 9% interest and a long term note at a 7% interest. Find the amount of each note if the total annual interest paid is $11650
Click here to see answer by jorel555(1290)

Question 1016269: A nurse mixes 50cc of a 60% saline solution with a 20% saline solution to produce a 36% saline solution. How much of the 20%solition should he use?
Click here to see answer by jorel555(1290)

Question 1017369: Consider any real number such that it's square is the same as seventeen less than ten times the number. Find the exact value of the number(s).
The number(s) is(are) =
Click here to see answer by jorel555(1290)

Question 1017554: a chemist has two solutions of hcl. one has a 40 concentration and the other has a 25 concentration. how many liters of each solution must be mixed to obtain 112 liters of a 37% solution?
Click here to see answer by jorel555(1290)

Question 1040770: How many gallons each of a 25% saline
solution and a 35% saline solution must
be mixed together to get 220 gallons of
a 30% saline solution?
Click here to see answer by ikleyn(52788)

Question 1040800: How many ounces of a 35% alcohol solution and a 40% alcohol solution must be combined to obtain 80 ounces of a 37% solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1040860: How many grams of aspririn will be produced if I have 2.345g of salicylic acid and enough acetic anyhydride in the reaction?
Click here to see answer by ikleyn(52788)

Question 1040860: How many grams of aspririn will be produced if I have 2.345g of salicylic acid and enough acetic anyhydride in the reaction?
Click here to see answer by KMST(5328)

Question 1041364: A certain number is 22 equals 51 with remainder 1.What is the number?

Click here to see answer by Fombitz(32388)

Question 1041448: Write the algebraic expresion that is suggested in the word
statement or problem:
John uses a new $50 McDonald's gift card and buys a Big Mac
meal for x dollars. What amount remains on his gift
card after his purchase?
I thought x-50
Click here to see answer by solver91311(24713)

Question 1041561: How many liters of pure acid should be added to 6liters of 70% concentrate to raise it to 85%?
Click here to see answer by Alan3354(69443)

Question 1041591: A crop dusting service needs to prepare a 0.6% pesticide solution. It has an airplane with a 200-gal tank that contains 80 gal of a 0.4% solution. How much of a previously mixed 1% pesticide solution should be added to the tank to increase the concentration to the desired 0.6%?
Click here to see answer by Boreal(15235)

Question 1041599: A company that mixes and sells concrete has a contract to deliver several loads of concrete containing an aggregate that is 20% sand by weight. the company has a pile that contains 360,000 lb if aggregate that is 15% sand. How much sand will be required to mix with the aggregate in this pile to produce a picture that is 20% sand?
Click here to see answer by josgarithmetic(39618)

Question 1041597: A crop dusting service needs to prepare a 0.4% pesticide solution. It has an airplane with a 200-gal tank that contains 75 gal of a 1% solution. How much water should be added to the tank to decrease the concentration to the desired 0.4% level?
Click here to see answer by josgarithmetic(39618)

Question 1041592: A gasoline distributer has a 15,000 gallon tank to store a gasohol mix. The tank already contains 9,000 gallons of gasohol that contains 6% ethanol by volume. How many gallons of pure ethanol must be added to the tank to produce a mix that is 10% ethanol?
Click here to see answer by josgarithmetic(39618)

Question 1041595: A crop dusting service needs to prepare a 0.8% pesticide solution. It has an airplane with a 300-gal tank that contains 100 gal of a 0.5% solution. How much of a previously mixed 1% pesticide solution should be added to the tank to increase the concentration to the desired 0.8%?
Click here to see answer by josgarithmetic(39618)

Question 1041587: Bob's 11-quart radiator is currently full of 30% anti-freeze. It is supposed to be 50%. How much should he drain out and replace with 100% anti-freeze to have a full radiator that is 50% antifreeze?
Click here to see answer by josgarithmetic(39618)

Question 1041588: Bob's 11-quart radiator is currently full of 30% anti-freeze. It is supposed to be 50%. How much should he drain out and replace with 100% anti-freeze to have a full radiator that is 50% antifreeze?
Click here to see answer by josgarithmetic(39618)

Question 1041593: The meat department in a grocery store purchased 800 lb of hamburger that is 90% lean beef. How many lbs of hamburger that is 75% lean must be mixed with this 90% lean mix to produce hamburger that is 85% lean beef?
Click here to see answer by josmiceli(19441)

Question 1041589: How much extra-lean hamburger (12% fat) needs to be added to 339 lbs of regular hamburger (27% fat) to make a batch of lean meat (20% fat)??

Click here to see answer by jorel555(1290)

Question 1041594: One small island community in the pacific currently uses 1.8 megawatts (MW) of electricity per year. All this electricity is generated from plants fired by natural gas. The island community plans to add x MW of offshore windmill generation capacity to its system. How many megawatts of windmill generation capacity must be built in order that 25% of the island community's total electricity usage comes from windmills?
Click here to see answer by jorel555(1290)

Question 1041683: 1 can of juice drink is 20% OJ; another can is 5%. How many liter of each to make 15liter at 11% juice
Click here to see answer by josgarithmetic(39618)

Question 1041794: If there are 80 cows and hens and 208 legs, how many cows and hens
are there?

Click here to see answer by stanbon(75887)

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, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245