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Question 665419: Solve for x: 3/4(5x + 2) = 9 + 5/3x.
I multiplied by 12 and got 45x + 18 = 108 + 20 and ended up with 22/9. I cannot get the right answer.
Click here to see answer by ReadingBoosters(3246)

Question 665349: 1. When the decimal of a certain positive number is moved four places to the right, the new number is 9 times the reciprocal of the original number. What is the original number?
Click here to see answer by ankor@dixie-net.com(22740)

Question 665672: Given A={5,6,7} B={3,4,5,6} and C={4,5,6,7} evaluate each.
A) AᑎB
B) AᑌC
C) BᑌC
D) (AᑌB)ᑎC
E) Aᑌ(BᑌC)
F) (AᑎC)ᑎC
G) (AᑎB)ᑌC

Click here to see answer by mananth(16946)

Question 665761: A 25- Liter solution of alcohol in water is 72% alcohol. How many liters of an 80% solution must be added if the final solution should be 75% alcohol?.

Click here to see answer by mananth(16946)

Question 665871: How many pounds of coffee (A) at $3.00 a pound should be mixed with 2.5 pounds of coffee (B) at $4.20 a pound to form a mixture selling at $3.75 a pound? Please show steps. Thanks.
Click here to see answer by MathLover1(20850)

Question 665239: A larger number is 7 more than 3 times a smaller number. if the smaller number is subtracted from the larger number, the difference is 61. find the two numbers
(write and solve the equation needed to find both numbers. also state what x represents)
represent the smaller number:
represent the larger number:
write the equation and solve:
Click here to see answer by ReadingBoosters(3246)

Question 666384: Please help me with this mixture problem.
A farmer has some red pepper seeds that cost 2o cents per pound and 100 pounds of green pepper seeds that cost 50 cents per pound. How much of the red pepper seeds must be added to the green pepper seeds to make a mixture that sells for 4o cents per pound.
Thank you
Click here to see answer by josmiceli(19441)

Question 666549: A father is 5 time as old as son. In 15 years father WILL BE twice as older as son how old is father at PRESENT?....
Click here to see answer by ReadingBoosters(3246)

Question 666644: How many liters of a 14 percent Alcohol Solution must be mixed with 20 liters of a 50 percent Alcohol solution to get a 20 percent alchohol solution.

Click here to see answer by ewatrrr(24785)

Question 666757: i need help with my precentages i am in 7th grade one of my questoins is find 35% of 6o please help can you also exsplain the steps so that i may understand
thank you

Click here to see answer by lynnlo(4176)

Question 666990: How much of a 35% solution should be mixed with 12ml of a 60% solution in order to become a 40% solution?
Click here to see answer by mananth(16946)

Question 667046: A chemistry student needs to make 1000 ml of a 8% solution. How much 10% and 6% solutions need to be mixed?
Click here to see answer by stanbon(75887)

Question 667046: A chemistry student needs to make 1000 ml of a 8% solution. How much 10% and 6% solutions need to be mixed?
Click here to see answer by Alan3354(69443)

Question 667077: How do you write 280,000,000 in word form?

Click here to see answer by rfer(16322)

Question 667133: � How many pounds of tea worth 6 dollar per pound should be mixed with 20 pounds of tea worth 4.50 dollars per pound to get a mixture to be sold for 5 dollars per pound?
Click here to see answer by josmiceli(19441)

Question 667136: � In a trip a person went one-third of the way by bus, 10 miles by foot and one sixth of the way by horse, How long was the trip?
Click here to see answer by josmiceli(19441)

Question 667174: a 12 litre solution is 100% acid.How much water must be added to get the solution having 20% acid?
Click here to see answer by Alan3354(69443)

Question 667200: A total of 42 tons of two types of ore is to be added into a smelter. The first type contains 6% copper and the other contains 2.5% copper. Find the necessary amounts of each ore to produce 2 tons of copper.
I need two equations. Thank you so much
Click here to see answer by mananth(16946)

Question 667218: seema wants 5 liter milk shopkepper has only 500ml how many packs of 500ml will she have to buy to get 5 liter milk
Click here to see answer by stanbon(75887)

Question 667265: Please help me solve this {{If you are using a baking formula that calls for 25% sugar and 20 lb of flour, then you will use __________ lb sugar.}}
Click here to see answer by josmiceli(19441)

Question 667297: How much 15% solution and How much 50% solution should be mixed together to make 60 gallons of a 30% solution?
Click here to see answer by ewatrrr(24785)

Question 667348: an automobile radiator contains 16 liters of antifreeze and water. This mixture is 30% antifreeze. How much of this mixture should be drained and replaced with pure antifreeze so that there will be 50% antifreeze?
Click here to see answer by lwsshak3(11628)

Question 667371: Raisins cost $2 per pound and nuts costs $5 per pound. How many pounds of each should you use to make a 30-lb mixture that costs $4 per pound?
Click here to see answer by lwsshak3(11628)

Question 667390: How much whipping Cream @ 9% Butterfat and Milk @ 2% Butterfat should be mixed to obtain 35 gallons of milk with 4% Butterfat?
I have a series of problems asking the same format and am having difficulty plotting out and solving the problem.
Thank you for your help!
Click here to see answer by ewatrrr(24785)

Question 667423: How many gallons of rocket fuel containing 80% liquid oxygen must be mixed with 250 gallons containing 40% liquid oxygen to produce a mixture containing 70% oxygen?
Click here to see answer by stanbon(75887)

Question 667773: what is 25% of 31.50
Click here to see answer by lynnlo(4176)

Question 668015: What would you get if you divided a half of a half of a half by a half of a fourth of a half?
Click here to see answer by Adrianne15(25)

Question 668038: If a third is a fourth of it, what is it? Provide your answer in fractional form.
Click here to see answer by Adrianne15(25)

Question 668245: Why is it impossible to mix candy worth $4 per lb. and candy worth $5 per lb. to obtain a final mixture worth $6 per lb.?
Click here to see answer by stanbon(75887)

Question 668245: Why is it impossible to mix candy worth $4 per lb. and candy worth $5 per lb. to obtain a final mixture worth $6 per lb.?
Click here to see answer by josmiceli(19441)

Question 668333: how many ounces of a 45% alcohol solution must be mixed with 16 ounces of a 50% alcohol solution to make a 49% alochol solution

Click here to see answer by mananth(16946)

Question 668428: The cost of 6 bedspreads and 8 pillows is $448.12. Three bedspreads and 10 pillows cost $323.00. Find the cost of each bedspread and each pillow. Enter the cost of each pillow in the answer box below
Click here to see answer by ewatrrr(24785)

Question 668449: Jessica has a chance to win $10,000 if she can spend exactly $10089 on 750 boxes of candy, some of which sell for $9 and others that sell for $16 a box. How many boxes of candy does Jessica choose in order for her to qualify for the $10,000 prize?
Click here to see answer by DrBeeee(684)

Question 668515: Fatuma needs to mix a 10% fungicide solution with a 30% fungicide solution to create 100 mL of a 22% solution. How many mL of each solution must Fatuma use?
Please help. I have tired a lot of things and nothing works.
Click here to see answer by solver91311(24713)

Question 668647: How many liters (L) of a 20% solution must be mixed with 40 L of a 80% solution to get a 50% solution?
My teacher wants us to make 2 equations. We solve them by plugging them into the calculator. I just need to know how to get 2 equations out of this. Thank you so much!
Click here to see answer by stanbon(75887)

Question 668826: Dustin drank 14 ounces of tomato juice through a straw in 33 seconds. At this rate, approximately how long would it take him to drink a bottle of water that contains 16.9 ounces?
Click here to see answer by ReadingBoosters(3246)

Question 668879: a metallurgist has one alloy containing 20% copper and another containing 70% copper. These can be blended to get a mixture between 20 and 70%.
a metallurgist has one alloy containing 20% copper and another containing 70% copper. These can be blended to get a mixture between 20 and 70%. use your model to calculate the mixture needed for 50lbs of 40% copper.
Click here to see answer by ewatrrr(24785)

Question 669021: one solar heating panel can raise the temperature of water 1� in 16 min . a second solar heating panel can raise the temperature 1� in 24min. how lond will it take to raise the temperature of the water 1� if both panels are operating?

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

Question 669153: What number is 6 times as great as 24?
Click here to see answer by ReadingBoosters(3246)

Question 669224: Roland's roller derby car traveled 4 1/2 feet past the bottom of the ramp. Elenor's car traveled 6 3/4 feet past the ramp. How much farther did Eleanor's car travel?

Click here to see answer by stanbon(75887)

Question 669243: if there are 40n ounces of liquid and 14 ounces is alcohol what percentage is alcohol and what percentage is water
Click here to see answer by stanbon(75887)

Question 669159: have 5 gallons of glacial acetic acid . need to make a total of 3 gallons of a 30% solution. how many milliliters of distilled wate and how many milliliters of glacial acetic acid are needed to make 3 gallons of 30% solution? please reply to jr8565@ bellsouth.net
Click here to see answer by ankor@dixie-net.com(22740)

Question 669505: Courtney wants to mix 30% alcohol with 70% alcohol to form 10 liters of 40% alcohol. How many liters of each should she use?
Click here to see answer by stanbon(75887)

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