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Question 1123560: How do you translate one more than the difference between 18 and seven times a number is -9 into an equation?
Click here to see answer by Edwin McCravy(20054)

Question 1123617: Please helpe solve this:
Jamie pours juice from bottles into glasses.He uses three quarters of a bottle of juice to fill one glass. How many bottles of juice will Jamie need to fill 100 glasses?
Click here to see answer by josgarithmetic(39616)

Question 1123627: How man liters of 60% alcohol solution must be added to 20 liters of 10% alcohol solution to produce 40% alcohol solution.
Click here to see answer by Alan3354(69443)

Question 1123653: You have 30 cups of a drink that contains 75% juice concentrate. How many cups of a drink containing 68% juice concentrate needs to be added in order to have a final drink that is 74% juice concentrate?
Click here to see answer by ikleyn(52776)

Question 1123687: Ken just retired, and has $650,000 to invest. A very safe Certificate of Deposit (CD) account pays 1%, while a riskier bond fund pays 5% in interest. Ken figures he needs $23,000 a year in interest to live on. How much should he invest in each account to make enough interest while minimizing his risk?
Click here to see answer by ikleyn(52776)

Question 1123744: nut store normally sells cashews for $4.00 per pound and peanuts for $1.50 per pound. But at the end of the month the peanuts had not sold well, so, in order to sell 40 pounds of peanuts, the manager decided to mix the
40 pounds of peanuts with some cashews and sell the mixture for
$2.00 per pound. How many pounds of cashews should be mixed with the peanuts to ensure no change in the profit?
Click here to see answer by solver91311(24713)

Question 1123781: find the sum of all possible four digit numbers that can be found using the digits 2,4,5,6,7 and 8, with no repeated digits.
Click here to see answer by Alan3354(69443)

Question 1123843: what quantity of pure acid must be added to 300mL of a 50% acid solution to produce a 60% acid solution?
Click here to see answer by ikleyn(52776)

Question 1123850: How many liters each of a
25%
acid solution and a
85%
acid solution must be used to produce
80
liters of a
40%
acid solution?
Click here to see answer by josgarithmetic(39616)

Question 1123850: How many liters each of a
25%
acid solution and a
85%
acid solution must be used to produce
80
liters of a
40%
acid solution?
Click here to see answer by rothauserc(4718)

Question 1123866: A biologist wishes to determine the volume of blood in the circulatory system of an animal. He injects 6 milliliters of a 9% biologically inert chemical and waits until it is thoroughly mixed with the animal's blood. Then he withdraws a small sample of blood and determines that 0.03% of the sample consists of the biologically inert chemical. Find the original volume of blood in the circulatory system.
Click here to see answer by josgarithmetic(39616)

Question 1123988: Ragini made 6 litres of lemonade by mixing 1.5 litres of lemon juice and rest water. How much lemon juice will be will be needed to make 16 litres of lemonade.

Click here to see answer by ikleyn(52776)

Question 1123994: Saina takes a square craft paper and folds it along the diagonal to make a triangle. Now Saina measures the diagonal and finds that its length is
10
cm. What is the area of the right triangle formed (in cm2)?

Click here to see answer by josgarithmetic(39616)

Question 1123990: A certain volume of a solution 90% pure acid and 10% water is mixed with another solution containing 97% acid and 3% water If the mixture obtained is 21 litres of 95% acid solution, what is the difference between the volumes of the two solutions mixed?
Click here to see answer by josgarithmetic(39616)

Question 1124015: If Drink A contains 40% juice concentrate and Drink B contains 70% juice concentrate. How much of each solution should be mixed in order to create 150 milliliters of a solution that contains 69% juice concentrate?
____ milliliters of drink A
____ milliliters of drive B
Click here to see answer by Alan3354(69443)

Question 1124059: How much pure acid should be mixed with 7 gallons of a 50% acid solution in order to get an 80% acid solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1124148: Alex has a total of 50 g of gold to make a necklace. He has two different types of gold. Gold a is 75% gold and gold is 50% gold. He wants the necklace to contain 60% gold. How much of each type of gold should he use?
Click here to see answer by Alan3354(69443)

Question 1124181: 3x2+4-5=,0 find intergral coeficient

Click here to see answer by josgarithmetic(39616)

Question 1124243: A chemist has a 50 mL beaker of a 30% solution. a. Write an equation for the concentration of the solution after adding x mL of pure water. b. Use that equation to determine how many mL of water should be added to obtain a 14% solution. Round your answer to 1 decimal place.
Click here to see answer by josgarithmetic(39616)

Question 1124280: How Much $.65/lb seeds does a farmer need to combinne with 200 pounds of $.45/lb seed to make a $.55/lb blend?
I got s=-81.32
Click here to see answer by Alan3354(69443)

Question 1124280: How Much $.65/lb seeds does a farmer need to combinne with 200 pounds of $.45/lb seed to make a $.55/lb blend?
I got s=-81.32
Click here to see answer by josgarithmetic(39616)

Question 1124280: How Much $.65/lb seeds does a farmer need to combinne with 200 pounds of $.45/lb seed to make a $.55/lb blend?
I got s=-81.32
Click here to see answer by ikleyn(52776)

Question 1124462: The density and strength of concrete are determined by the ratio of cement and aggregate
(aggregate is sand, gravel, or crushed stone). Suppose that a contractor has 480 ft
3
of a dry
concrete mixture that is 70% sand by volume. How much pure sand must be added to form a
new mixture that is 75% sand by volume?
Click here to see answer by josgarithmetic(39616)

Question 1124554: Pet store owner wants to make a 12% salt water solution and a 30% salt water solution to obtain 45 L of a 24% solution how many liters of each ingredient does he need
Click here to see answer by ikleyn(52776)

Question 1124589: If you mix 10 ounces of a 12% alcohol solution with two ounces of a 40% alcohol solution, what is the concentration of alcohol in the final mixture?
Click here to see answer by ikleyn(52776)

Question 1124593: Suppose you mix 1L of a 20% acid solution with 2L of a 50% acid solution. What is the concentration of acid in the final mixture?
Click here to see answer by ikleyn(52776)

Question 1124591: If you have 1.75L of an 18% alcohol solution, how much pure water must you add in order to decrease the concentration to 5%?
Click here to see answer by ikleyn(52776)

Question 1124590: If you have 1.75L of an 18% alcohol solution, how much pure alcohol must you add in order to increase the concentration to 60%?
Click here to see answer by josgarithmetic(39616)

Question 1124590: If you have 1.75L of an 18% alcohol solution, how much pure alcohol must you add in order to increase the concentration to 60%?
Click here to see answer by ikleyn(52776)

Question 1124587: Suppose you have an 8% NaOH solution. How much pure NaOH must you add in order to increase the concentration to 40%?
Click here to see answer by josgarithmetic(39616)

Question 1124645: a 250-milliliter solution of a fabric dye contains 5 ml of hydrogen peroxide. what is the percent concentration of the hydrogen peroxide?
Click here to see answer by Theo(13342)

Question 1124664: A solution of salt and water is 20% salt. If 25% of the water is removed, what is the percentage of salt in the new solution?
Click here to see answer by Boreal(15235)

Question 1124678: Terry needs 20 Gallons of 40% acid. The only available acid solutions are 25% and 80%. How much of each should she mix?
Click here to see answer by ikleyn(52776)

Question 1124917: Jamal needs to create a nitric acid solution which is less than 15% nitric acid. He begins with 12 fluid ounces of a 20% nitric acid solution in water and he adds 8 fluid ounces of water. Does he need to add more water?
Click here to see answer by josgarithmetic(39616)

Question 1124935: The sum of the measures of the two acute angles in a right triangle is 90 degrees and their difference is 16. Find the measure of each angle.
Click here to see answer by josgarithmetic(39616)

Question 1125126: One hundred gallons of 70% disinfectant is mixed with a certain amount of 90%
disinfectant to yield a batch of 75% disinfectant. How much 90% disinfectant was used?
Click here to see answer by ikleyn(52776)

Question 1125146: when 2 litres of 30 % of acid solution is mixed with 3 litres of 40% percentage acid solution what percent of the resulting solution is acid?
Click here to see answer by ikleyn(52776)

Question 1125184: A chemical company makes two brands of antifreeze. The first brand is 40%
pure antifreeze, and the second brand is 95% pure antifreeze. In order to obtain 110 gallons of a mixture that contains 60% pure antifreeze, how many gallons of each brand of antifreeze must be used?
Click here to see answer by josgarithmetic(39616)

Question 1125198:
Click here to see answer by Alan3354(69443)

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