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Question 1054656: if it costs $200.00 for 4500 minutes, how much does it cost for 1 minute?
Click here to see answer by Alan3354(69443)

Question 1054779: A laboratory technician needs to make a 18-liter batch of a 40% acid solution. How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10% to get the desired concentration?

Click here to see answer by josgarithmetic(39617)

Question 1054860: Kathi and Robert Hawn had a pottery stand at the annual Skippack Craft Fair. They sold some of their pottery at the original price of $11.50 each, but later decreased the price of each by $3.00. If they sold all 99 pieces and took in $ 931.50, find how many they sold at the original price and how many they sold at the reduced price.
Click here to see answer by Theo(13342)

Question 1054938: If a 5 pound duck takes 2.25 hours to cook. How many hours to the nearest tenth are required to cook a 6 pound duck?
Click here to see answer by Alan3354(69443)

Question 1054938: If a 5 pound duck takes 2.25 hours to cook. How many hours to the nearest tenth are required to cook a 6 pound duck?
Click here to see answer by MathTherapy(10552)

Question 1054954: A pair of 14k gold earrings has an orginial price of $135 but is on sale at a discount of 45%. If the state sales tax is 5%, what is the cost to the nearest hundredth of a dollar for the earrings? I figured the tax after the discount and got $77.96. Am I right?
Click here to see answer by stanbon(75887)

Question 1055004: How many ounces of 20% and 35% acid solution should be mixed to produce 15 oz of 30% acid solution?
Click here to see answer by ewatrrr(24785)

Question 1055020: sharlene sold 3 times as many dresses on Wednesday as she did on Tuesday. she sold half the numbers of dresses on Monday that she did on Tuesday. if she sold 150 dresses on Wednesday, how many did she sell on Monday?

Click here to see answer by jorel555(1290)

Question 1055017: there are 5 teams in a tournament. how many different combination of teams can play?

Click here to see answer by jorel555(1290)

Question 1055108:
The cooling system of a car has a capacity of 15 liters. If the system is currently filled with a mixture that is 20% antifreeze, how much of this mixture should be drained and replaced with pure antifreeze so that the system is filled with a solution that is 50% antifreeze?
Click here to see answer by ikleyn(52781)

Question 1055143: A given alloy contains 20% copper and 5% tin. How many pounds of copper and of tin must be melted with 100 lb of the given alloy to produce another alloy analyzing 30% copper and 10% tin? All percentages are by weight.
Click here to see answer by ikleyn(52781)

Question 1055272: if there are 52 grams of sulphuric acid in a 500 gram solution, what is the percent strength of acid?
Click here to see answer by stanbon(75887)

Question 1055339: A certain bronze alloy containing 4% tin is to be added to 350kg of bronze containing 18% tin to produce a new bronze containing 15% tin. How many kilograms of the 4% bronze alloy are required?
Click here to see answer by stanbon(75887)

Question 1055347: How many kilograms of brass containing 63% copper must be melted with 1100 of brass containing 72% copper to produce a new brass containing 67% copper?
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Question 1055367: Fifteen litres of fuel containing 3.2% oil is available for a certain two-cycle engine. This fuel is to be used for another engine requiring a 5.5% oil mixture. How many litres of oil must be added?
Click here to see answer by josgarithmetic(39617)

Question 1055407: James wishes to obtain 800 mL of a 7% solution of boric acid by mixing 4% and 12% solutions. How much of each should be used?
Click here to see answer by josgarithmetic(39617)

Question 1055407: James wishes to obtain 800 mL of a 7% solution of boric acid by mixing 4% and 12% solutions. How much of each should be used?
Click here to see answer by MathTherapy(10552)

Question 1055585: mixture of 23 grams of salt and 52 grams of baking soda poured into 361 ML of water.. what is the total mass in grams
Click here to see answer by josgarithmetic(39617)

Question 1055585: mixture of 23 grams of salt and 52 grams of baking soda poured into 361 ML of water.. what is the total mass in grams
Click here to see answer by ikleyn(52781)

Question 1055684: The students in a chemistry class have 75 ml of pure acid which must be diluted to a solution that is 10% acid.How many milliliters of water should they add?
Click here to see answer by Alan3354(69443)

Question 1055725: you are trying to fill a contain of juice. it normally takes 8 cups to fill but after putting 8 cups is not filling up. container has a hole letting juice off at a rate of 1/4 cup for every 1 cup. you seal the hole how many more cups of juice you need to add to fill the container?

Click here to see answer by josmiceli(19441)

Question 1055857: A technician cleans a salt cell using a mixture of water and acid. There are currently 10 liters of water in a bucket and he adds varying amounts of acid to the 10 liters of water. Let x represent all possible values of the number of liters of acid added to the 10 liters of water. Let A represent all possible values of the level of acidity of the mixture (measured as the percentage of the solution that is acid).
When x=1, the percentage is 9.09%
Define a function,p that gives the acidity of the mixture, as a percentage of the solution that is acid, in terms of the number of liters of acid, x, that has been added to the mixture

Click here to see answer by josmiceli(19441)

Question 1056026: How many gallons of a 50% antifreeze solution must be mixed with 70 gallons of 10% antifreeze to get a mixture that is 40% antifreeze?
Click here to see answer by stanbon(75887)

Question 1056033: A 1,000 milliliter vial of medication is to be used for 3 patients. Joe is to receive half as much as Jim and 100 milliliters less than Jack. How much will each patient be administered?
Click here to see answer by stanbon(75887)

Question 1056038: An order is written for 15 grams of a 5% lidocaine topical cream. Only 3% concentration and 6% concentration are available. How much of the 3% concentration must be added to the 6% concentration to fill this order?
Click here to see answer by Alan3354(69443)

Question 1056297: From 13.0 L of coolant containing 13.4% antifreeze, 5.50 L are removed. If 5.50 L of antifreeze are then added, how much antifreeze will be contained in the final mixture?
Click here to see answer by josgarithmetic(39617)

Question 1056298: A certain automatic soldering machine requires a solder containing half tin and half lead. How much pure tin must be added to 52 kg of a solder containing 62% lead and 38% tin to raise the tin content to 50%?

Click here to see answer by josmiceli(19441)

Question 1056579: A taxidermist has a container with a solution of 10% tanning chemical and a container with a solution of 50% tanning chemical. If the taxidermist wants to mix the solutions to get 10 gallons of the solution with 25% tanning chemical, how many gallons of each solution should be mixed?
Click here to see answer by josgarithmetic(39617)

Question 1056637: A lab technician wants to mix some amount of a 15% acid solution and another amount of a 25% acid solution so that his resultant mixture is 80 mL of a 22% acid solution. What volume of the 15% acid solution and 25% acid solution is required?
Click here to see answer by stanbon(75887)

Question 1056636: A chemist has two acid solutions, one that contains 14.0% acid and another with 27.0% acid. How many litres of each must be mixed to make 250 litres of solution containing 17.64% acid?
Click here to see answer by josgarithmetic(39617)

Question 1056933: Please help me to solve this question:the sum of 8 and a certain number is equal to the product of the number and 3.Find the number
Click here to see answer by ikleyn(52781)

Question 1057022: An herbalist has 30 oz of herbs costing $3 per ounce. How many ounces of herbs costing $2 per ounce should be mixed with these 30 oz of herbs to produce a mixed costing $2.50 per ounce?
Click here to see answer by addingup(3677)

Question 1057121: a 30 % saline solution is mixed with other similar at 70%. If you want toobtain 40 liters of a 60% salinemixture. how many liters of 30% saline solution should be mixed?
Click here to see answer by josgarithmetic(39617)

Question 1057134: A scientist mixes water (containing no salt) with a solution that contains
30% salt. She wants to obtain 210 ounces of a mixture that is 15%
salt. How many ounces of water and how many ounces of the 30% salt solution should she use?
Click here to see answer by josgarithmetic(39617)

Question 1057160: what must be added to -37 to -19

Click here to see answer by ikleyn(52781)

Question 1057162: In a 180 kilogram sample of ore there was 3.2% metal. How many kilograms of metal were in the sample

Click here to see answer by Alan3354(69443)

Question 1057333: The distance to your aunt's house is 644 miles, and the distance to Las Vegas is 184 miles.
If it took 14 hours to drive to your aunt's house, how long would it take to drive to Las Vegas?

Click here to see answer by ikleyn(52781)

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