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Question 623191: Stephanie wishes to make 6 litres of drink containing 60% orange juice by mixing plain water and concentrate which is 90% orange juice. How many litres of plain water and concentrate should she mix?
Click here to see answer by nerdybill(7384)

Question 623192: 1. How many oz. of pure nickel must be added to 150 oz. of alloy 70% pure to make an alloy which is 85% pure?
2. How much water must be added to 200 gallons of mixture which is 80% alcohol to reduce it to a 75% mixture?
Click here to see answer by Theo(13342)

Question 623244: A coffee shop blends a coffee that sells for $12 per pound with a coffee that sells for $9 per pound to produce a mixture that sells for $10 per pound. How much of each should be used to yield 21 pounds of the new mixture?
Click here to see answer by lwsshak3(11628)

Question 623165: some polyester sweater we wear made from plastic bottle,it take 25 one liter to make a sweater,,,
a recycling company collects bottles in large bags.each bag can hold 150 bottles.how many sweater can be made from the bottles in a full bag?
Click here to see answer by mykasha(37)

Question 623168: some polyester sweater we wear mde from plstic bottle,it take 25 one litre of plastic bottle to make a sweater..
if there are 38 bottles to be recycled how many more are needed for 3 sweater?
Click here to see answer by mykasha(37)

Question 623507: a 75% salt solution is to be mixed with a 50% salt solution to get 12 liters of a 60% salt solution. how many liters of the 75% solution is needed.
Click here to see answer by lwsshak3(11628)

Question 623805: the lenth of a rectangle is 6 inches more than its width. If 3 inches are taken from the length and added to the width, the figure becomes a square with an area of 169 square inches.What are the dimensions of the original figure?
Click here to see answer by rfer(16322)

Question 623824: The product of two consecutive integers is 5 less than 5 times their sum. Find the integers
Click here to see answer by lwsshak3(11628)

Question 623916: i need your help. :) pleasee.. this is the problem.
primary standard of Na2Co3 was heated at 270'C for 1hour prior to standardization to remove moisture. what is effect to the results of analysis if Sodium bicarbonate contains varying amounts of moisture?
hope u can answer it.. thanks :)
Click here to see answer by solver91311(24713)

Question 624254: Travis paid $318 for a new suit including 6% in sales tax. What was the price of the suit before tax was included?
Click here to see answer by ewatrrr(24785)

Question 624259: After dinner, Amanda, Trey and John received the check for their meal. Trey is paying 1/4 of the check and leaving no tip. Amanda is paying the remainder of the check. John is leaving 20% of the check as a tip. Using C as the amount of the check, match each person with an appropriate algebraic expression. Match the answers.
Answer
0.2C
0.75C
0.25C
C + 0.2C
Answer
A. Trey's payment
B. No match
C. John's payment
D. Amanda's payment

Click here to see answer by solver91311(24713)

Question 624258: After dinner, Amanda, Trey and John received the check for their meal. Trey is paying of the check and leaving no tip. Amanda is paying the remainder of the check. John is leaving 20% of the check as a tip. Using C as the amount of the check, match each person with an appropriate algebraic expression. Match the answers.
Answer
0.2C
0.75C
0.25C
C + 0.2C
Answer
A. Trey's payment
B. No match
C. John's payment
D. Amanda's payment

Click here to see answer by solver91311(24713)

Question 624257: Select ALL calculations that are measured in square units.
Answers
The amount of water needed to fill a bucket
The amount of fencing needed to surround a garden
The amount of paint needed to cover a wall
The amount of base boards (molding) needed for a room
The amount of sod needed to cover a dirt yard
The amount of carpet needed to cover a floor

Click here to see answer by solver91311(24713)

Question 624256: Select ALL calculations that are measured in linear units.
The amount of carpet needed to cover a floor
The amount of paint needed to cover a wall
The amount of sod needed to cover a dirt yard
The amount of base boards (molding) needed for a room
The amount of fencing needed to surround a garden
The amount of water needed to fill a bucket

Click here to see answer by solver91311(24713)

Question 624549: What is the first ten terms of a sequence whose first term is -10 and whose common difference is -2.
Click here to see answer by jim_thompson5910(35256)

Question 624689: How much silver is in 12.5 kg of an alloy (metal mixture) which is 8% silver?
Click here to see answer by oscargut(2103)

Question 624719: a sugar solution was made by mixing 7 qt. of a 15% solution and 4 qt. of a 70% sugar solution. what is the concentration of the mixture?
Click here to see answer by lwsshak3(11628)

Question 624363: A dealer wishes to produce 300 gallons of oil worth 40 cents a quart. He has oil worth 36 cents a quart and oil worth 52 cents a quart. How many quarts of each should he mix?
Click here to see answer by lwsshak3(11628)

Question 624753: How much water needs to be added to 1/2 pt. of syrup with 60% sugar solution to make it a 5% solution.
Click here to see answer by lwsshak3(11628)

Question 624781: A car leaves an intersection traveling west. Its position 4 sec later is 18 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 4 sec later is 29 ft from the intersection. If the speeds of the cars at that instant of time are 7 ft/sec and 11 ft/sec, respectively, find the rate at which the distance between the two cars is changing.
Click here to see answer by Alan3354(69443)

Question 624863: A merchents has coffee worth $60 a pound that she wants to mix with 70 pounds of coffe worth $90 a pound to get a mixture that is worth $70 a pound. How many pounds (lbs) of the $60 coffee should be used?
Click here to see answer by Maths68(1474)

Question 624995: Cream costs $10 per gallon. Milk costs $3 per gallon.
9 gallons of milk was mixed with 2 gallons of cream.
What is the cost of 1 gallon of this mixture?
Click here to see answer by Alan3354(69443)

Question 625229: How many liters of a 50% acid solution must be added to 10 liters of a 15% acid solution to produce a 25% acid solution?
Click here to see answer by josmiceli(19441)

Question 625277: catron wants to make a cleaning solution that is 40% lysol. how many gallons of water must be added to 20 gallons of a solution that is 50% lysol to obtain the desired solution.???
Click here to see answer by nerdybill(7384)

Question 625420: If I have a 12 ounce beer that contains 5.9% alcohol per ounce (i.e. per volume)
And I add a shot of tequila one ounce containing 40% alcohol per ounce (i.e. / volume)
what is the alcohol per ounce content of the resulting 13 ounce beverage?
(How much does the 5.9% increase by adding an ounce of 40%?)
-or-
12oz(5.9%) + 1 oz (40%) = 13 oz (x%)
I can't figure out how to set up the ratio right
Click here to see answer by Alan3354(69443)

Question 625468: How much alcohol is there in 3 L of a 16% alcohol solution
Click here to see answer by reynard2007(52)

Question 625542: how much water should be added to 10 ML of 19% alcohol solution to reduce the concentration to 5%?
Click here to see answer by lwsshak3(11628)

Question 625595: two men andtwo boys need to cross riverin a boat big enough for one manandtwo boys .how do they do it
Click here to see answer by lynnlo(4176)

Question 625740: how much bleach do you need to add to 360ml of water to make a 1:10 or 10% bleach solution
Click here to see answer by josmiceli(19441)

Question 625796: A solution of 35% glycol is held in a 400 gallon tank. A 72% solution of glycol is held in a 190 gallon tank. How much of the two tanks must be added together to have a 200 gallon tank of 50% glycol?
Click here to see answer by nerdybill(7384)

Question 625907: A 10% alcohol solution is to be combined with a 40% alcohol solution to make 20 liters of a 25% alcohol solution. How many liters of each are needed?
Click here to see answer by lwsshak3(11628)

Question 625922: one- fourth of the sum of a number and nine
Click here to see answer by rfer(16322)

Question 626171: The capacity of an automobile cooling system is 16 quarts. It is half full of a 15% antifreeze solution. The owner is adding 2 gallons of a 90% solution (remember, 1 gallon = 4 quarts). When he is finished, what will the solution's percentage value be?
Click here to see answer by josmiceli(19441)

Question 626385: twenty ounce of a 30% alcohol solution are mixed with 80 ounces of 20% alcohol solution. how much alcohol is in the mixture?
Click here to see answer by lwsshak3(11628)

Question 626407: please help me solve this problems.
1.1-X+2X^2+X^3+3X^4

Actually i need very soon.
Click here to see answer by Alan3354(69443)

Question 626418: ESSAY QUESTION: MUST SHOW ALL WORK!!
-------------------------------------------------
Roxanne's flower shop estimates that supplies costs for one month will be given by the POLYNOMIAL 2x^2-3x -2.
Roxanne also estimates that the utilities for one month is given by 4x-6.
Find and SIMPLIFY an expression that would estimate Roxanne's total costs for ONE month.
MUST SHOW ALL WORK for CREDIT!
------------------------------
Thanks in advance, algebra.com has been a great help for the past two years.

Click here to see answer by nerdybill(7384)

Question 626444: How many ounces of a 15% alcohol solution must be mixed with 4 ounces of a 20% alcohol solution to make a 17% alcohol solution
Click here to see answer by Earlsdon(6294)

Question 626508: How many milliliters of a 31% alcohol solution must be added to 6 milliliters of a 11% alcohol solution to produce a 21% alcohol solution?
Click here to see answer by Alan3354(69443)

Question 626531: You have been asked to mix up some 70% isopropyl alcohol solution. You have 95% isopropyl alcohol solution on hand. How much do you have to add to 750 mL of pure water to created a 70% solution?
Click here to see answer by stanbon(75887)

Question 626541: To the nearest mL, how much 0.3% ampicillin in solution do you have to add to 40mL of 0.8% ampicillin in solution to have 0.4 mL ampicillin total?
Click here to see answer by stanbon(75887)

Question 626573: of every 8 hot dogs Lester sold 3 had mustard what percent did not have mustard?
Click here to see answer by jim_thompson5910(35256)

Question 626573: of every 8 hot dogs Lester sold 3 had mustard what percent did not have mustard?
Click here to see answer by stanbon(75887)

Question 626621: Kit Kats contain 35% of sugar.How much sugar is in 420g.

Click here to see answer by Alan3354(69443)

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