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Question 1126960: The larger of two numbers is 9 less than seven times the smaller when the smaller number is subtracted from the larger the difference is 9 find the two numbers
Click here to see answer by josgarithmetic(39617)

Question 1127025: A nursery sells KB seed for $5.75/lbs and TF seed for $4.50/lbs. The nursery sells a mixture of the two kinds of seed for $5.25/lbs. Let K represent the amount of KB seed the nursery uses in 5 pounds of the mixture.
Click here to see answer by josgarithmetic(39617)

Question 1127082: Silvia wants to mix 40% apple juice drink with pure apple juice to make 4L of a juice drink that is 90% apple juice. How much pure apple juice should she use? Express answer as a mixed number or fraction in simplest terms, if necessary.
Click here to see answer by ikleyn(52781)

Question 1127213: If I have 3coins and no 2 have same value what is the least amount oh money can I have
Click here to see answer by Alan3354(69443)

Question 1127385: A mixture of 4% disinfectant solution is to be made from 7% and 2% disinfectant solutions. How much of each solution solution be used of 40 gallons of 4% solution are needed

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Question 1127590: A chemist has 50 ounces of a mixture and she wishes to perform many trials in an experiment. She will use 2/5 of an ounce of the mixture for each trial. How many trials can she perform? Simplify the answer.
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Question 1127591: A high definition tv costs $800 with a down payment of 2/5 of the total cost. How much is left to pay in dollars after the down payment has been made?
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Question 1127726: A customer purchases 5 doughnuts, 3 snowballs and 6 queen cakes from a bakery. A doughnut costs twice as much as a queen cake whilst a snowball costs R4.00 more than a queen cake. The customer hands the cashier R200.00 and receives R36.00 change.
1) What was the total cost for all the items?
2) Determine the cost of a doughnut, a snowball and a queen cake.
3) How much will 2 doughnuts and 1 snowball cost?
Click here to see answer by josgarithmetic(39617)

Question 1127737: You purchase 3 squash rackets, 7 pairs of socks and 4 headbands from Sportman's warehouse. You hand the cashier R2500.00 and receive R250.00 change. A squash racket costs R510.00 more than a pair of socks which in turn is half the price of a headband.
1. Calculate the price of a squash racket, a pair of socks and a headband.
Click here to see answer by addingup(3677)

Question 1127766: anna and samantha are both going from boston to new york. Anna is going 20 mph faster than samantha. if it takes anna 3 hours to get to new york and samantha 4 hours, how fast is anna going?
Click here to see answer by greenestamps(13200)

Question 1127782: A sugar solution was made by mixing 10 L of a 44% sugar solution and a 2 L of a 26% solution. Find the concentration of the new mixture.
Click here to see answer by Alan3354(69443)

Question 1127810: I have been working on this 2 hrs and I am exhausted mentally. Please help w this practice wk.

A 10% solution of fertilizer is to be mixed with a 60% solution of fertilizer in order to get 150 gallons of a 50% solution. How many gallons of the 10% solution and 60% solution should be mixed?
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Question 1127812: Five gallons of a 20% alcohol solution is added to 3 gallons of 30% solution. Two gallons of pure alcohol is added to the resulting solution. What shall be its percentage of concentration of the final solution?
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Question 1127859: A nontoxic furniture polish can be made by combining vinegar and olive oil. The amount of oil should be three times the amount of vinegar. How much of each ingredient is needed in order to make 15 oz of furniture polish?

Click here to see answer by ikleyn(52781)

Question 1127833: how many litres of a solution containing 18% sulphuric acid by volume, and how many litres of another solution containing 25% sulphuric acid must be combined to make 550 L of solution containing 23% sulphuric acid?
Click here to see answer by greenestamps(13200)

Question 1128156: When the average daily balance of a customer checking account falls below $500 in any week the bank access a $5 service charge. What must Friday balance be to avoid the service charge.
Monday $540.
Tuesday $455.50
Wed $365.50
Thur $330.
Click here to see answer by MathLover1(20849)

Question 1128218: Biology students at Salem College are preparing a solution of isopropyl alcohol to use in preserving specimens. One of the students, Max, needs to mix up 10 liters of 66% solution. If the lab has 72% isopropyl alcohol solution and 42% isopropyl alcohol solution, how much of each should Max mix together?
Click here to see answer by josgarithmetic(39617)

Question 1128270: Paul has an 60% methyl alcohol solution. He wishes to make a gallon of a solution by mixing his methyl alcohol solution with water. If 128 ounces, or a gallon, of solution should contain 9% methyl alcohol, how much of the 60% methyl alcohol solution and how much water must be mixed?
Click here to see answer by josgarithmetic(39617)

Question 1128300: Situated in the northeastern portion of Oriental Mindoro, Naujan Lake is a freshwater
lake that has a surface area of 82 km2
. During October 2018, the lake evaporation was
measured to be 90 mm. Tigbao, Malbog, Maambog, and Cusay Creeks flow into the lake.
During the same month, the total inflow to the lake from these creeks was 35.90 m3
/s. At
the same time, the lake has only one outlet, Butas River, which has a total outflow of 40.2
m
3
/s from the lake. Also, for the same month, a water level increase of 100 mm for the
lake was observed. Using the water balance equation, what was the precipitation (in mm)
during that month?
Please help me with this my teacher gave this hw without discussing to us about it i tried to search for the formula but i dont know which is the correct one if possible can anyone assist me with this quesion?
Click here to see answer by KMST(5328)

Question 1128477: How many ounces of a 5 % alcohol solution must be mixed with 18 ounces of a 10 % alcohol solution to make a 6 % alcohol solution?
Click here to see answer by josmiceli(19441)

Question 1128477: How many ounces of a 5 % alcohol solution must be mixed with 18 ounces of a 10 % alcohol solution to make a 6 % alcohol solution?
Click here to see answer by stanbon(75887)

Question 1128476: Kathi and Robert Hawn had a pottery stand at the annual Skippack Craft Fair. They sold some of their pottery at the original price of $ 14.50 each, but later decreased the price of each by $4.00. If they sold all 91 pieces and took in $ 1 comma 039.50, find how many they sold at the original price and how many they sold at the reduced price.
Click here to see answer by stanbon(75887)

Question 1128475: Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 150 pounds of blended coffee beans selling for $4.47 per pound. She plans to do this by blending together a high-quality bean costing $5.00 per pound and a cheaper bean at $3.00 per pound. To the nearest pound, find how much high-quality coffee bean and how much cheaper coffee bean she should blend.
Click here to see answer by stanbon(75887)

Question 1128474: There were 587 tickets purchased for a major league baseball game. The lower box tickets cost $12.50 and the upper reserved tickets cost $8.00. The total amount of money spent was $6046.00. How many of each kind of ticket were purchased?
Click here to see answer by addingup(3677)

Question 1128473: Birdseed costs $0.68 a pound and sunflower seeds cost $0.98 a pound. Angela Leinenbachs' pet store wishes to make a 40-pound mixture of birdseed and sunflower seeds that sells for $0.82 per a pound. How many pounds of each type of seed should she use?
Click here to see answer by ikleyn(52781)

Question 1128549: Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 150 pounds of blended coffee beans selling for $4.40 per pound. She plans to do this by blending together a high-quality bean costing $6.50 per pound and a cheaper bean at $2.00 per pound. To the nearest pound, find how much high-quality coffee bean and how much cheaper coffee bean she should blend.
Click here to see answer by josgarithmetic(39617)

Question 1128546: Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 130 pounds of blended coffee beans selling for $4.98 per pound. She plans to do this by blending together a high-quality bean costing $5.50 per pound and a cheaper bean at $3.25 per pound. To the nearest pound, find how much high-quality coffee bean and how much cheaper coffee bean she should blend?
Click here to see answer by josgarithmetic(39617)

Question 1128545: Birdseed costs $0.68 a pound and sunflower seeds cost $0.98 a pound. Angela Leinenbachs' pet store wishes to make a 50-pound mixture of birdseed and sunflower seeds that sells for $0.87 per a pound. How many pounds of each type of seed should she use?
Click here to see answer by stanbon(75887)

Question 1128544: Kathi and Robert Hawn had a pottery stand at the annual Skippack Craft Fair. They sold some of their pottery at the original price of $ 9.50 each, but later decreased the price of each by $1.00. If they sold all 90 pieces and took in $ 791.00, find how many they sold at the original price and how many they sold at the reduced price?
Click here to see answer by josgarithmetic(39617)

Question 1128643: Find the cost per pound of a coffee mixture made from 6 lb of coffee that costs $9.70 per pound and 14 lb of coffee that costs $5.50 per pound.
Click here to see answer by josgarithmetic(39617)

Question 1128646: Peanuts cost $4 per pound and a bag of raisins costs $5. How many pounds of peanuts must be mixed with the bag of raisins to have a peanut-raisin blend that has a value of $57?

Click here to see answer by josgarithmetic(39617)

Question 1128645: A chemist mixed pure acid with water to make 10 L of a 80% acid solution. How much pure acid and how much water did the chemist use?
Click here to see answer by josgarithmetic(39617)

Question 1128647: Peanuts cost $4 per pound and a bag of raisins costs $5. How many pounds of peanuts must be mixed with the bag of raisins to have a peanut-raisin blend that has a value of $57?
Click here to see answer by josmiceli(19441)

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