Tutors Answer Your Questions about Mixture Word Problems (FREE)
Question 677444: a fishing boat radioed the coast guard for a helicopter to pick up a sick crew member. at the time of the message the boat is 660 km from the helicopter and heading toward it. the average speed of the boat is 30 km per hour and the average speed of the helicopter is 300 km per hr. how long will it take the helicopter to reach the boat?
Click here to see answer by josmiceli(19441)   |
Question 678157: When working with percent mixture problems, can the final mixture have a percentage higher than what you started with? I am trying to figure out the following question but I keep getting a negative answer. If I switch the numbers around I get an even one, but I'm not sure if it is allowed.
A 40% solution is mixed with an 80% solution to create a 90% solution. How much of each is needed to create a 50 ml solution?
Can a tutor please help me? I'd really appreciate it!! Thank you :)
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 678304: Translate to a system of equations. Do not solve
Two angles are supplementary. One angle is 5degrees less than four times the other. Find the measures of the angles.
let x equal the first angle
Let y equal the second angle
Complete the equations;
x+y =?
x=?
Click here to see answer by rm29924(97)  |
Question 678309: A basketball player scores 23 times during one game. She scored a total of 37 points, two for each two-point shot and one for each free throw, How many two-point shots did she make> How many free throws?
Simplify the answers
Click here to see answer by checkley79(3341) |
Question 678422: Translate to a system of equation. DO NOT SOLVE
Please help me!
One summer evening 1600 concert tickets were sold for the Fairmont Summer Jazz Festival. Tickets cost $20 for covered pavilion seats and #15 for lawn seats. Total receipts were $26,000. How many of each ticket were sold.
x=number of pavilion seats
y=number of lawn seats
Complete the system of equation
x+y=?
?x + ?y = 26,000
Click here to see answer by ReadingBoosters(3246) |
Question 679337: Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 29 pounds of feed worth $ 0.37 per pound by mixing one kind worth $ 0.29 per pound with another worth $ 0.46 per pound. How many pounds of the cheaper kind should they use in the mix?
Click here to see answer by josmiceli(19441) |
Question 679432: Hi!
Barbara has a bucket that holds 18 fl oz. She mixes 14.4 fl oz of water and 3.6 oz of ammonia to make a cleaning solution. She then decides to replace a portion of the cleaning solution to create a cleaning solution with 25% ammonia. How much cleaning solution should be replaced by ammonia?
So far I have figured out that 14.4 fl oz is 80% of 18 fl oz and 3.6 fl oz is 20 % of 18 fl oz. Are the percentages part of the concentration? If not, what are they?
Click here to see answer by KMST(5328)  |
Question 681775: An airplane, flying with a tail wind, travels 1380 miles in 2 hours. The return trip, against the wind, takes 2.5 hours.
Find the cruising speed of the plane and the speed of the wind (assume that both rates are constant).
Click here to see answer by mananth(16946)  |
Question 681777: If an object is projected vertically upward from an altitude of a feet with an initial velocity of v ft/sec, then its distance s(t) above the ground after t seconds is
s(t) = −16t2 + vt + a.
If s(1) = 99 and s(4) = 129, what are v and a?
Click here to see answer by mananth(16946) |
Question 681777: If an object is projected vertically upward from an altitude of a feet with an initial velocity of v ft/sec, then its distance s(t) above the ground after t seconds is
s(t) = −16t2 + vt + a.
If s(1) = 99 and s(4) = 129, what are v and a?
Click here to see answer by stanbon(75887) |
Question 681790: Someone solve these two problems for me plz: ( w/ explanantions plz) or answers if u dont have time
1)A sugar solution was made by mixing 9 L of a 30% sugar solution and 1 L of a 20% sugar solution. What is the concentration of the sugar mixture?
2) 1 yd of soil containing 40 % sand was mixed into 4 yd of soil containing 20% sand. what is the sand content of the mixture?
Click here to see answer by stanbon(75887) |
Question 682079: Here is my problem as written in my homework:
A metallurgist needs to produce 10kg of an alloy which is 65% copper and 35% tin. He has an alloy which is 50% copper and 50% tin. How much of this 50-50 alloy must he melt together with pure copper to make the desired alloy? How much pure copper must he use?
Here is how I attempted to solve the problem:
(10-x)(.50)(.50)+(x)(1)=10(.65)(.35)
So the answer that I got was that he would need 2.03 kg of the pure copper and 7.97 kilograms of the 50-50 mixture.
When I substituted the numbers into my equation, it did not come out right.
Thank you for your time and patience.
Click here to see answer by lwsshak3(11628) |
Question 682291: a chemist mixes A Ml of a 10% solution of acid with B ml of a 50% solution. The resulting mixture has 800 ml of a solution that is 20% acid.
write and equation relating the amounts of acid in three different solutions
Click here to see answer by mathgotserved(25)  |
Question 651880: A mechanic has 354 gallons of gasoline and 19 gallons of oil to make gas/oil mixtures. He wants one mixture to be 6% oil and the other mixture to be 2.5% oil. If he wants to use all of the gas and oil, how many gallons of gas and oil are in each of the resulting mixtures?
Click here to see answer by jaypeeilagan13@yahoo.com(1) |
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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
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