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Question 806247: I am being asked to graph this problem. I am having trouble understanding what is being asked. Thank you for your help.
Tina
-3
Click here to see answer by MathLover1(20849)

Question 806324: Suppose that 15 gallons of a 15% salt solution are mixed with 20 gallons of a 29% salt solution. What is the percent of salt in the resulting solution?
Click here to see answer by josmiceli(19441)

Question 806451: How much of a mixture of 60% acid should be mixed with 24 liters of a 30% mix to produce a mixture which is 40% acid
Click here to see answer by richwmiller(17219)

Question 806467: Chemist needs 18 L of a 40% alcohol solution. She must mix a 20% solution and a 50% solution. How many liters of each will be required to obtain what she needs?
Click here to see answer by richwmiller(17219)

Question 806490: a chemist has a 25% acid solution and a 30% acid solution. how many liters of each solution does the chemist need to make 15 liters of a solution that is 28% acid
Click here to see answer by richwmiller(17219)

Question 806605: A light bulb consumes 1800 watt-hours per day. How long does it take to consume 5850 watt-hours?
Click here to see answer by edjones(8007)

Question 806776: How many mililiter of a 20% solution should be mixed with a 50ml of an 8% solution to get an 18% solution?
Click here to see answer by richwmiller(17219)

Question 806865: I need 30% of a 60% solution. I currently have a 40% solution, and a 70% solution. How many liters of each do I need to make 30 liters of 60% solution? Muchas Gracias
Click here to see answer by stanbon(75887)

Question 806892: 2 towns are 100 miles apart. A group of hikers start from each town, and walk the trail towards each other. They meet after a total hiking time of 200 hours. If 1 group travels 2 1/2 mph faster than the other group, find the rate of each group. My thanks and appreciation to you!
Click here to see answer by josmiceli(19441)

Question 806914: By weight, liquid A makes up 7.0 percent of solution I and 14.5 percent of solution II. If 3 grams of solution I is mixed with 2 grams of solution II, then liquid A accounts for what percent of the weight of the resulting solution?
Click here to see answer by stanbon(75887)

Question 806881: Please help me find the eqation and be able to slove for x.
how many grams of a 50% silver alloy be mixed with a 75% silver alloy to obtain 40 grams of a 60% silver alloy?
I think it's. ( .5x+.75= ( 40*.6)) but I'm not sure
Click here to see answer by Alan3354(69443)

Question 806953: How many liters of 15% alcohol solution must be mixed with 25 liters of a 20% alcohol solution to obtain an 18% acid solution?
Click here to see answer by josgarithmetic(39617)

Question 806971: If you are supposed to use a disinfectant solution in a 1:40 ratio of concentrate-to-water, how much concentrate should you add t 5 liters of water?
Click here to see answer by richwmiller(17219)

Question 807127: rusty poured 55 mL of juice into a 2-L pitcher. how much juice must he add to fill the pitcher
Click here to see answer by Alan3354(69443)

Question 807284: how many pounds of coffee worth $9 a pound should be added to 30 pounds of coffee worth $3 a pound to get a mixture worth $4 a pound
Click here to see answer by stanbon(75887)

Question 807374: How many liters of a 20% acid solution must be added to 5 liters of a 30% acid solution to make a mixture that is 22% acid?
Click here to see answer by richwmiller(17219)

Question 807371: FIND HOW MANY QUARTS OF 6% BUTTERFAT MILK AND 2% BUTTERFAT MILK SHOULD BE MIXED TOGETHER TO YIELD 80 QUARTS OF 4% BUTTERFAT MILK?
Click here to see answer by richwmiller(17219)

Question 807456: How much of an alloy that is 40% copper should be mixed with 300 ounces of an alloy that is 90% copper in order to get an alloy that is 50% copper
Click here to see answer by mananth(16946)

Question 807496: I want to mix 1liter ofgas at 50 to 1 mixture. How many milliliters of oil do I put in. THANK YOU.
Click here to see answer by Alan3354(69443)

Question 807546: After a sailboat had been on the water for 4 h, a change in the wind direction reduced the average speed of the boat by 2 mph. The entire distance sailed was 78 mi. The total time spent sailing was 7 h. How far did the sailboat travel in the first 4 h?
Click here to see answer by richwmiller(17219)

Question 807549: The distance s, in feet, that an object will fall in t seconds is given by s = 16t2 + vt, where v is the initial velocity of the object in feet per second.
Find the initial velocity of an object that falls 72 ft in 2 s.

Click here to see answer by richwmiller(17219)

Question 807494: How do you put 30% of 150 in to a sum ??
Click here to see answer by richwmiller(17219)

Question 807550: If 5x = 2x − 6, evaluate 4x + 1
Click here to see answer by josgarithmetic(39617)

Question 807547: The manager of a garden shop mixes grass seed that is 40% rye grass with 40 lb of grass seed that is 65% rye grass to make a mixture that is 60% rye grass. How much of the 40% rye grass is used?
Click here to see answer by josgarithmetic(39617)

Question 807254: if you boil 3 gal of 10% salt water until there are only 2 gal left, what is the percent of salt when you finish?
Click here to see answer by ankor@dixie-net.com(22740)

Question 807613: I'm having a really hard time with this question and don't know where to begin. It was extra credit and I already turned it in without getting the answer.
"Melving delivered 13 envelopes to my house. Eight were checks and all for the same amount, five were bills all for the same amount as well. After opening all the envelopes I had made $240 dollars. Creat an amount for each bill and each check to make this true."
So....
Eight were checks all for the same amount
five were bills all for the same amount as well.
Total $240 dollars.
...?
Click here to see answer by DrBeeee(684)

Question 807654: A lab assistant needs 15L of a 30% alcohol solution. She must mix a 15% solution and a 40% solution. How may liters of each solution will be required to create the final mixture?
Click here to see answer by Alan3354(69443)

Question 807680: A general number m varies directly as another general number n. When n=-6 1/4, m=-7 1/3. Find the value of m when n=2. Thanks so much!
Click here to see answer by stanbon(75887)

Question 807686: how many gallons of milk containing 19% butterfat must be mixed with 15 gallons of milk containing 12% butterfat to produce a mixture containing 14% butterfat?
Click here to see answer by stanbon(75887)

Question 807698: A grocer wants to make a mixture of three dried fruits. He decides that the ratio of pounds of banana chips to apricots to dates should be 3:1:1. Banana chips cost $1.17/lb, apricots cost $3.00/lb, and dates cost $2.30/lb. What is the cost per pound of the mixture?
I have tried to organize the info into a table but i still dont seem to get it and I need help formulating an equation.
Please help, thanks.
Click here to see answer by stanbon(75887)

Question 807102: how many pounds of coffee worth $10 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a pound?
Click here to see answer by tommyt3rd(5050)

Question 807101: how many pounds of coffee worth $10 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a pound?
Click here to see answer by tommyt3rd(5050)

Question 807756: A store manager wishes to mix two kinds of nuts, cashews and peanuts, as sales promotion. Cashews sell for $10 per pound and peanuts for $7 per pound. The manager wishes to sell the mixture for $8 per pound. What ratio of cashews and peanuts should be mixed together?

Click here to see answer by richwmiller(17219)

Question 807742: U Brew blends a Colombian coffee worth $0.93 per pound with Kenyan coffee worth $1.20 per pound to get 30 pounds of a coffee blend worth $1.02 per pound. How many pounds of each type of coffee are used
Click here to see answer by richwmiller(17219)

Question 807783: In an alloy of silver and Nickel, mass of silver and nickel are 48 lbs and 72 lbs respectively. how much more silver should be added in the alloy so that the alloy will contain 46% silver now ?
Click here to see answer by josgarithmetic(39617)

Question 807778: An alloy contains 32% of copper, 40% of nickel and rest zinc. Find the mass of the zinc in 1kg of alloy.

Click here to see answer by josgarithmetic(39617)

Question 807799: You have 3 gallon container of salt solution and a 5 gallon container of a salt solution. You need to measure out exactly seven galloons of salt solution. How can you do it?
Click here to see answer by richwmiller(17219)

Question 807660: U Brew blends Colombian coffee worth $0.93 per pound with Kenyan coffee worth $1.20 per pound to get 30 pounds of a coffee blend worth $1.02 per pound. How many pounds of each type of coffee are used?
Click here to see answer by richwmiller(17219)

Question 807978: You need 810 mL of a 30% alcohol solution. On hand, you have a 5% alcohol mixture and a 95% alcohol mixture. How much of each mixture will you need to obtain the desired solution?
How much of the 5% solution and how much of the 95% solution do I need?
Click here to see answer by josgarithmetic(39617)

Question 807977: Joy invests a total of $33,000 in two accounts paying 9% and 8% annual interest, respectively. How much was invested in each account if, after one year, the total interest was $2,780.00.
How much was invested at 9% and how much was invested at 8%?
Click here to see answer by mananth(16946)

Question 808044: A jar on your desk contains 12 black, 8 red, 10 yellow, and 5 green jellybeans. You pick a jellybean without looking. Find the probability that it is red or yellow.
Click here to see answer by ultimate44(2)

Question 808065: How much of a cream base must be mixed with 20g of 0.5% dexamethasone and 75g of 0.025% of dexamethasone and 30g of 0.05% dexamethasone to make 0.02% of dexamethasone cream.
Click here to see answer by richwmiller(17219)

Question 808043: This question has me stumped. Is this a combination?
Two hundred people buy raffle tickets. Three winning tickets will be drawn at random. If first prize is $100, second prize is $50, and third prize is $20, in how many different ways can the prizes be awarded?
Click here to see answer by richwmiller(17219)

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