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Question 934935: In a certain company, 30 percent of the men and 20 percent of the women attend night school. If 40 percent of all employees are men, what percent of all the employees attend night school?
Click here to see answer by josmiceli(19441)

Question 935020: Only one question per post please:
A machine makes tin boxes at the rate of 78 in 5 minutes. How long will it take to make 3,900 of them? (Answer in hours and minutes)

Click here to see answer by TimothyLamb(4379)

Question 934011: 1. How many grams of pure water must be added to 50 g of pure acid to make a solution that is 40% acid?

Click here to see answer by Fombitz(32388)

Question 935142: Is 0.05 percent alcohol in a 10 cc bottle a lot of alcohol?
Click here to see answer by josmiceli(19441)

Question 935194: Please help me to solve two questions : 1、A basketball is dropped from a height and it rebounds. Each time the basketball rebounds it rebounds to a height that is 4/5 of its previous height. The ball is dropped from a height of 200 centimeters. What height will the ball bounce to on the third rebound?
2、If the length of a rectangle is shortened by 2 centimeters and the width is increased by 5 centimeters, it will be a square with an area of 36 square centimeters. What is the length and width of the original rectangle ?
Click here to see answer by jim_thompson5910(35256)

Question 935266: 'Jane brought a packet of sweets.
A quarter of them were green, a third of them were red and the rest were yellow.
There were 10 yellow sweets.
What was the total number of sweets in the packet?'
I tried starting with different numbers like 40
This is what is did afterwards

40-10=30
30-1/3=20
20-1/4=15
and that didn't leave me with Zero.
Please help me ASAP

Click here to see answer by Alan3354(69443)

Question 935268: Each letter in the word below represents a number less than 10.
The values of the letters in each word are then multiplied together to give the result shown.
Given that:
BAT=90, LET=168. and. BET=105
What is he value of TABLE?

Click here to see answer by MathLover1(20850)

Question 935308: A 6 Liter solution is 60% HCL acid. How much of this must be taken out and be replaced with water to reduce the solution into 45% HCL acid?
Click here to see answer by mananth(16946)

Question 935471: Helen Weller invested $13,000 in an account that pays 11% simple interest. How much additional money must be invested in an account that pays 14% simple interest so that the average return on the two investments amounts to 12%?
Click here to see answer by lwsshak3(11628)

Question 935428: Rice A is being sold at 22 dollars per kilo while rice B is being sold at 27 dollars per kilo. How many kilograms of rice A should be mixed with rice B to make a new sack of rice that can be at 25 dollars per kilo.

Click here to see answer by ankor@dixie-net.com(22740)

Question 934262: Ralph invests $15,600 into two accounts;a saving account and checking account.The savungs account earns 8% back intrest and the chevking earns 9%.After 1 year he has earned $1334.28 intrest.How much did Ralph invest into each account
Click here to see answer by mananth(16946)

Question 934289: Given an arithmetic sequence in which a1=3 a5=19 and an=163 what is n?
Click here to see answer by mananth(16946)

Question 935520: i have a one liter bag of fungicide,,,i need to mix it at .5 kilos of powder to 200 liters of water...how do i mix a quart bottle fungicide ?? JD
Click here to see answer by Alan3354(69443)

Question 933342: Prepare 60g of a 3% cream from a 1% cream and a 10% cream. How many ounces of each cream will you need to weigh out?
Click here to see answer by Fombitz(32388)

Question 935579: Sheila needs 30 mL of a 19.2% acid solution for a chemistry experiment. She has a 12% acid solution and an 84% acid solution. How many milliliters of the 12% solution does she need to make the mixture?

Click here to see answer by lwsshak3(11628)

Question 935672: Ana has a container of disinfectant concentrate and needs to dilute it to make up 5 litres of solution. If the ratio is one part disinfectant to every hundred parts of water, how many millilitres of concentrate will Ana need to use?

Click here to see answer by josmiceli(19441)

Question 935841: I can only find 4% solution, but I need .12 solution. How much water do I add to get the .12% solution?
Click here to see answer by TimothyLamb(4379)

Question 935841: I can only find 4% solution, but I need .12 solution. How much water do I add to get the .12% solution?
Click here to see answer by josmiceli(19441)

Question 935928: The coast-down time y for a car as it drops 10 mph from an initial speed x depends on several factors, such as average drag, tire pressure, and whether the transmission is in neutral. The table gives coast-down time in seconds for a car under standard conditions for selected speeds.
Initial speed(in mph) 30, 35, 40, 45, 50, 55, 60, 65
Coast-down time(in seconds) 30, 26, 22, 19, 17, 15, 14, 13
Use a quadratic regression feature of a graphing calculator to find the quadratic function g that best fits the data.
g(x)=__x^2-__x+__
(Round to four decimal places as needed.)

Click here to see answer by Fombitz(32388)

Question 933481: How much 100% acid is need along with 20% acid to get 60liters of 40% acid?
Click here to see answer by Fombitz(32388)

Question 936044: How many liters of a 20% solution of acid should be added to 10 liters of a 30% solution of acid to obtain a 25% solution?
Click here to see answer by stanbon(75887)

Question 936046: A grocer has two kinds of tea: one selling for 80 cents a pound and the other selling for 60 cents a pound. How many pounds of each kind must he use to make 50 pounds worth 74 cents a pound?
Click here to see answer by stanbon(75887)

Question 936045: A merchant wishes to blend 200 pounds of coffee worth $3.20 a pound from two mixtures: one at $3.00 a pound and the other at $3.25 a pound. How many pounds of each mixture should he use?
Click here to see answer by TimothyLamb(4379)

Question 936053: How many gallons of ethanol are in a 100 gallon mixture that is 10% ethanol ?
Click here to see answer by TimothyLamb(4379)

Question 936074: A dairy wishes to mix together 1,000 pints of milk that contains 8% butterfat. If the mixture is to be made from milk containing 5% butterfat, and cream containing 20% butterfat, how many pints of each is needed?
Click here to see answer by TimothyLamb(4379)

Question 936082: What number has 3 hundreds, 4 more tens than hundreds, and 1 more one than hundreds?
Click here to see answer by Theo(13342)

Question 936082: What number has 3 hundreds, 4 more tens than hundreds, and 1 more one than hundreds?
Click here to see answer by stanbon(75887)

Question 936087: what number has 2 the same number of tens�as�hundreds and 2 more ones than hundreds
Click here to see answer by Alan3354(69443)

Question 936149: How much water must be added to 400L of mixture that is 80% alcohol to reduce it to a 60% mixture?
Click here to see answer by josgarithmetic(39618)

Question 936149: How much water must be added to 400L of mixture that is 80% alcohol to reduce it to a 60% mixture?
Click here to see answer by srinivas.g(540)

Question 936149: How much water must be added to 400L of mixture that is 80% alcohol to reduce it to a 60% mixture?
Click here to see answer by TimothyLamb(4379)

Question 936148: How much water must be added to 400L of mixture that is 80% alcohol to reduce it to a 60% mixture?
Click here to see answer by TimothyLamb(4379)

Question 936194: how many pounds of a 35% salt solution and how many pounds of 14% salt solution should be combined so that 50 pounds of a 20% salt solution will be obtained?
Click here to see answer by Alan3354(69443)

Question 936195: a variety of rice sells 25pesos/kilo while another sells for 22pesos/kilo. The two varieties are mixed together in a sack with a capacity of 50kgs and sold for 24.10pesos/kilo. How many kilos of each variety were mixed?
Click here to see answer by Alan3354(69443)

Question 936129: An integer, n, is added to 4. That sum is then multiplied by 8. This result is less than twice the original integer. Which of the following equations represent this relationship?
Click here to see answer by ewatrrr(24785)

Question 936248: Perry has 5/6 pounds of trail mix. He wants to pour the trail mix into bags that hold 1/9 pounds of trail mix.How many bags will he fill with the trail mix?
Click here to see answer by srinivas.g(540)

Question 936125: Ali has 20 gallons of 20% sulfuric acid solution. How much 100% sulfuric acid solution must add to make a solution that is steady 50% sulfuric acid.
Click here to see answer by Theo(13342)

Question 936296: A chemist has one solution of 15% hydrochloric acid (HCL) and one solution of 40% HCL. A mixture requires 50 liters of 35% HCL. How many liters of each must be used?
Click here to see answer by Alan3354(69443)

Question 936389: A chemist has x grams of an alloy that is 20% silver and 10% gold, and y grams of an alloy that is 25% silver and 30% gold. Express the number of grams of gold in the two allows in terms of x and y.
please help me thanks
Click here to see answer by josgarithmetic(39618)

Question 936393: A chemist has x grams of an alloy that is 20% silver and 10% gold, and y grams of an alloy that is 25% silver and 30% gold. Express the number of grams of gold in the two alloys in terms of x and y.
Click here to see answer by AnlytcPhil(1806)

Question 936367:
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