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Question 1112553: An equal amount of money was spent on 4 similar lamps and 9 similar light bulbs . Each lamp coast $20 more than each light bulb.How much was spent together ?
I tried but I got remainders.
Click here to see answer by addingup(3677)

Question 1112659: We would like to create 20 gallons of solution that is 25% acid. How many gallons each, of a
10% acid solution and a 30% acid solution would we mix?
Click here to see answer by josgarithmetic(39617)

Question 1112750: 3/5 of the members of a club went on a field trip.If 39 members went on the trip,how many members are in the club?
Click here to see answer by ikleyn(52784)

Question 1112817: liquid mixtures problems are based on the formula
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Question 1112910: A ruler is 30 cm long.This is 25 cm less than 2/5 of the length of a large box.Shat is the length of the box?
Click here to see answer by stanbon(75887)

Question 1113280: A botas crew rowed 16 kilometers downstream, with the current, in 2 hours. The return trips upstream, against the current, covered the same distance, but took 4 hours. Find the crews rowing rate in still water and the rate of the current.
Click here to see answer by josgarithmetic(39617)

Question 1113351: A grocer wants to mix peanuts worth $4.90 per pound with hazelnuts worth $7.90 per pounds to get 30 pounds of mixture that sells for $6.70 per pound. How many pounds of each should the grocer use?
Click here to see answer by Boreal(15235)

Question 1113359: How many gallons of a 20% antifreeze solution and how many gallons of a 50% anitfreeze solution should be mixed to get 30 gallons of a 40% antifreeze solution?
Click here to see answer by mananth(16946)

Question 1113358: How many ounces of a 35% acid solution should be mixed with a 60% acid solution to get 40 ounces of a 50% acid solution?
Click here to see answer by mananth(16946)

Question 1113358: How many ounces of a 35% acid solution should be mixed with a 60% acid solution to get 40 ounces of a 50% acid solution?
Click here to see answer by ikleyn(52784)

Question 1113441: An airplane flies at 112 1/2 miles per hour. How long will it take the airplane to fly 3,375 miles?
Click here to see answer by josgarithmetic(39617)

Question 1113441: An airplane flies at 112 1/2 miles per hour. How long will it take the airplane to fly 3,375 miles?
Click here to see answer by ikleyn(52784)

Question 1113439: Complete the table
| | 12 | 18 | 24 |
| 4.5 | | | 18 |
b)If a number in the upper row were to be 30,would the corresponding number in the lower row be 22.5?Explain

Click here to see answer by greenestamps(13200)

Question 1113468: Jez has two fraction cards the product of the card is 1/6 what is the other card?
One of the cards is 5/8, any help is greatly appreciated.
Click here to see answer by Alan3354(69443)

Question 1113481: If a float of 400 is given and at the end of the night you make 10,395 where you you get 400 to return into the float
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Question 1113534: you have 15 milliliters of a drink that contains 78% sugar. how many mililiters of a drink containing 93% sugar needs to be added in order to have a final drink that is 84% sugare
Click here to see answer by josgarithmetic(39617)

Question 1113714: a 20% dye solution is to be mixed with 59% solution to get 260 l of a 50% solution how many liters of a 20% and 59% solutions will be needed
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Question 1113739: Your car burns 2 1/2 at of oil in 5000 miles how much oil will it burn in 7200 miles

Click here to see answer by amalm06(224)

Question 1113739: Your car burns 2 1/2 at of oil in 5000 miles how much oil will it burn in 7200 miles

Click here to see answer by stanbon(75887)

Question 1113743: 3 types of horses on a ranch, Arabians are 8 more than twice the number of Quarter horses, and the number of Clydsdales is 50 more than the number of quarter horses. There are 282 horses on the ranch.
Click here to see answer by ikleyn(52784)

Question 1113802: May I please to ask for your help to solve the following;
How much of an alloy that is 40% copper should be mixed with 200 ounces of an alloy that is 70% copper in order to get an alloy that is 50% copper?

Click here to see answer by Alan3354(69443)

Question 1114034: In a recent year, companies spent a total of $87.6 billion on newspaper, television, and radio ads. The total amount spent on television and radio ads was only $2.8 billion more than the amount spent on newspaper ads alone. The amount spent on newspaper ads was $5.5 billion more than what was spent on television ads. How much was spent on each form of advertising? (Hint: Let the variables represent numbers of billions of dollars.)
Click here to see answer by stanbon(75887)

Question 1114271: A certain metal is 50% tin. How many kilograms of this metal should be mixed with 70% of 85 kilograms tin to produce a 65% metal?
Click here to see answer by josgarithmetic(39617)

Question 1114272: How many liters of every type of alcohol solution should be mixed to produce 35 liters that is 70% alcohol if type A solution is 50% alcohol and type B is 85% alcohol?
Click here to see answer by josgarithmetic(39617)

Question 1114509: How many mg of a metal containing 45%
nickel must be combined with 6 mg of pure
nickel to form an alloy containing 78%
nickel?
Click here to see answer by ikleyn(52784)

Question 1114657: daniel wants to make a 2% saline solution. He has already poured 12ml of pure water into a beaker. how many ml of a 8% saline solution must he add to this to create the desired mixture?

Click here to see answer by josgarithmetic(39617)

Question 1114713: mario's recipe uses 2 cups of flour and makes 12 muffins. how many flour does he need to make 32 muffins?
Click here to see answer by Shin123(626)

Question 1114736: How many liters of pure concentrate should be added to 10 liters of 20% concentrate to make a 50% concentrate punch?
Click here to see answer by ikleyn(52784)

Question 1114712: a recipe for tomato sauce asks for 7/4 lbs of tomatoes, 5 tablespoons of olive oil and 3/2 onions. you have enough olive oil but only 3/2 lbs of tomatoes and 1 onion. what fraction of the tomato sauce recipe can you make?
Click here to see answer by josgarithmetic(39617)

Question 1114807: You need 495 mL of a 20% alcohol solution. On hand, you have a 45% alcohol mixture. How much of the 45% alcohol mixture and pure water will you need to obtain the desired solution?

Click here to see answer by josgarithmetic(39617)

Question 1114811: You have one type of candy that sells for $2.30/lb and another type of candy that sells for $8.30/lb. You would like to have 30 lbs of a candy mixture that sells for $2.60/lb. How much of each candy will you need to obtain the desired mixture?
Click here to see answer by josgarithmetic(39617)

Question 1114808: The Nutty Professor sells cashews for $6.10 per pound and Brazil nuts for $4.10 per pound. How much of each type should be used to make a 42 pound mixture that sells for $5.05 per pound?
Click here to see answer by josgarithmetic(39617)

Question 1114810: You need a 30% alcohol solution. On hand, you have a 440 mL of a 5% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture will you need to add to obtain the desired solution?

Click here to see answer by josgarithmetic(39617)

Question 1114809: Theresa Morgan, a chemist, has a 20% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 431.25 liters of a hydrochloric acid solution with a 42% acid concentration?
Click here to see answer by josgarithmetic(39617)

Question 1114834: An 18% brine is salt water containing 18% salt. Raoul mixed some 18% brine with some 35%brine to make 85L of 19% brine. The number of litres of the 35% brine that he put into the mix is...
Click here to see answer by josgarithmetic(39617)

Question 1114825: A nontoxic furniture polish can be made by combining vinegar and olive oil. The amount of oil should be three

times the amount of vinegar. How much of each ingredient is needed in order to make 38

oz of furniture polish?
Click here to see answer by rfer(16322)

Question 1115151: two mechanics worked ona car the first mechanic charged 115 per hour and the second mechanic charged 65 per hour the mechanics worked for a combined total of 15 hours and together they charged a total of 1475 how long did each mechanic work
Click here to see answer by stanbon(75887)

Question 1115416: Find the number of ways in which 9 people can be divided into 2 groups: the first group has 5 people and the second group has 4 people.

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Question 1115407: how much quantity of water to be added in 100 kg HF of 70% to make it to HF 60%?

Click here to see answer by Alan3354(69443)

Question 1115451: A chemist needs 110 milliliters of a 80% solution but has only 76% and 98% solutions available, find out how many milliliters of each that should be mixed to get the desired solution
Click here to see answer by mananth(16946)

Question 1115418: How many six-digit numbers divisible by 20 can be formed from the digits 0, 1, 2, 3, 4, 5 (with repetition).

Click here to see answer by greenestamps(13200)

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