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Question 926299: A rock is thrown upward with a velocity of 13 meters per second from the top of a 39 meter high cliff, and it misses the cliff on the way back down. When will the rock be 11 meters from the water below? Round answer to two decimal places.
Click here to see answer by Alan3354(69443)

Question 926418: How do I set this equation up and why am I doing it that way?
Find the selling price per liter of a mixture made from 40L of raspberry juice that costs $1.24 per liter and 50L of grape juice that cost $1.60 per liter.

Click here to see answer by josgarithmetic(39617)

Question 926464: How many liters of a 20% alcohol should be added to an 80% alcohol solution to obtain 15 liters of a 60% alcohol solution?
Click here to see answer by Alan3354(69443)

Question 926516: A man invested half his money at 5%, 1/3 of his money at 4% and the rest at 3.5%. If his total income is $795 how much had he invested?
Click here to see answer by josmiceli(19441)

Question 926753: What quantity of 20% acid solution must be mixed with 360 mL of 50% acid solution to produce 40% acid solution?
Click here to see answer by josgarithmetic(39617)

Question 926784: One solution containing 20% alcohol is mixed with another solution containing 60% alcohol to make 20 gal of a solution that is 30% alcohol. How much of each solution is used?
Click here to see answer by Edwin McCravy(20056)

Question 926786: A bottle of juice contains 20% water. how muck water must be added to the bottle to produce 8 L of fruit juice that id 59% water?

Click here to see answer by josmiceli(19441)

Question 927059: you have 2 liters of a 10% solution. how much of a 25% solution would you have to add to get a 16% solution?

Click here to see answer by TimothyLamb(4379)

Question 927162: 4 quarts of an alchol solution was mixed with 6 quarts of pure water to make an 8% alchol solution. FInd the percent concentration of the 1st concentraion. you need to show the table.

Click here to see answer by stanbon(75887)

Question 927214: A chemist needs 180 milliliters of a 39% solution but has only 15% and 69% solutions available. How many milliliters of each should be mixed to obtain the desired solution?
Click here to see answer by TimothyLamb(4379)

Question 927227: coffee A, coffee B, and coffee C are combined to 52 lb batch of coffee. Twice as many pounds of coffee C are needed as coffee A. Coffee A is $15.99 per lb, coffee B is $12.45 per lb and coffee C is $12.76 per lb. How many pounds of each coffee should be used to sell for $13.34 per lb?
Click here to see answer by TimothyLamb(4379)

Question 927298: I have 2.25 litres of antifreeze.. I need to make the mixture 70% antifreeze, 30% water.. how much water do i add?
Click here to see answer by josmiceli(19441)

Question 927298: I have 2.25 litres of antifreeze.. I need to make the mixture 70% antifreeze, 30% water.. how much water do i add?
Click here to see answer by brysca(112)

Question 927419: How much water must be added to 300l of a solution so that it's concentration may change from 25% to 20%
Click here to see answer by stanbon(75887)

Question 927440: There were 32,000 people at a baseball game in Los Angeles. The day's receipts were $276,000. How many people paid $13.00 for reserved seats and how many paid $6.00 for general admission?
Click here to see answer by ewatrrr(24785)

Question 927378: I am doing "The Coin Fountain" math project and need help. It involves parabolas and quadratic equations.
Anyone familiar with this project that can help?

Click here to see answer by rothauserc(4718)

Question 927445: A store sells tents, sleeping bags, and camp stools. A customer buys a tent, 3 sleeping bags, and 3 camp stools for $141. The price of the tent is 9 times the cost of a camp stool. The cost of a sleeping bag is $7 more than the cost of a camp stool. Find the cost of each item.
Click here to see answer by TimothyLamb(4379)

Question 927444: A vendor sells hot dogs, bags of potato chips, and soft drinks. A customer buys 5 hot dogs, 2 bags of potato chips, and 4 soft drinks for $16.50. The price of hot dogs is $2.00 more than the price of a bag of potato chips. The cost of a soft drink is $4.25 less than the price of two hot dogs. Find the cost of each item.
Click here to see answer by Stitch(470)

Question 927459: A vendor sells hot dogs, bags of potato chips, and soft drinks. A customer buys 5 hot dogs, 2 bags of potato chips, and 4 soft drinks for $16.50. The price of a hot dog is $2.00 more than the price of a bag of potato chips. The cost of a soft drink is $4.25 less than the price of two hot dogs. Find the cost of each item.
Click here to see answer by TimothyLamb(4379)

Question 927726: a chemist has 2 L of a solution that is 10% hydrochloric acid, and she wants a solution that is 25% hydrochloric acid. how much concentrated 37% acid must she add?
Click here to see answer by Alan3354(69443)

Question 927692: How many liters each of a 30% antifreeze solution and a 60% antifreeze solution must be mixed to make 10 L of a 36% anti-freeze solution?
Click here to see answer by rothauserc(4718)

Question 927768: The football team bought several roses and several carnations for the cheer squad. The roses cost $1.50 each and the carnations cost $.80 each. They bought a total of 17 flowers and paid $19.20. How many of each type of flower did the football team buy?
Click here to see answer by stanbon(75887)

Question 927786: a goldsmith combines an alloy that equals 4.20 per ounce with an alloy that costs 1.70 per ounce. How many ounces of each were used to make a mixture of 200 ozcosting 2.45
Click here to see answer by ankor@dixie-net.com(22740)

Question 927816: A chemist needs 18 L of a 10% alcohol solution but only has a 30% alcohol solution. How many liters each of the 30 solution and water should be mixed to make the desired 18 liters of a 10% solution?
Click here to see answer by stanbon(75887)

Question 927815: How many gallons of a 21% acid solution at 29% acid solution need to be mixed to make a gowns of a 26% acid solution?
Click here to see answer by Alan3354(69443)

Question 927909: How many gallons of a 21% acid solution and the 29% acid solution need to be mixed to make 8 gallons of a 26% acid solution?
Click here to see answer by Techpriest(29)

Question 927929: in what proportion should you mix a 12%,17% and 9% solution to get an 11% solution?
Click here to see answer by Alan3354(69443)

Question 927999: how many liters of a 25% chemical solution must be added to 60 liters of a 50% solution to get a 30% solution?
thank you very much if you can help

Click here to see answer by josgarithmetic(39617)

Question 928022: The directions on a box of muffin mix calls for 1-1/4 cups of muffin mix and 1/2 cup of water. There is only 1 cup of muffin mix left in the box, how much water should be used?
Click here to see answer by rfer(16322)

Question 928216: A chemist wishes to mix a 10% acid solution with a 60% acid solution to obtain 300 quarts of a 24% acid solution. How many quarts of each solution should be mixed together?
Click here to see answer by TimothyLamb(4379)

Question 928338: 5 oranges cost $1.90. Find the cost of 1 oranges
Click here to see answer by Alan3354(69443)

Question 928511: 100 people purchase lottery tickets. three winning tickets will be selected at random. if first prize is $100, second prize is $50, and third prize is $10, in how many different ways can the prize be awarded?
Click here to see answer by ahenkemeyer(12)

Question 928570: A metallurgist has one alloy containing 29% aluminum and another containing 51% aluminum. How many pounds of each alloy must he use to make 48 pounds of a third alloy containing 50% aluminum?
Im stuck after
x+y=48
.29x+.51y=?
Click here to see answer by TimothyLamb(4379)

Question 928584: See Clear window cleaner is 20% vinegar and Spot Free window cleaner is 40% vinegar. How much of each should be used to make 120 oz of a cleaner that is 35% vinegar?
Click here to see answer by TimothyLamb(4379)

Question 928587: The nuthouse has 20 lb of mixed cashews and pecans worth $8.10 per pound. Cashews alone sell for $8.50 per pound and pecans sell for $7.50 per pound. How many pounds of each are in the mixture?
Click here to see answer by TimothyLamb(4379)

Question 928603: Please help me solve this problem.
I have 8 gallons of a mixed fuel. It contains 93% Methanol and 7% oil. I need to add 8% Nitro to this current blend. The new mixture will be 85% Methanol, 8% Nitro and 7% oil. How can I go about making this new blend and keep it to an even amount of gallons?
Click here to see answer by stanbon(75887)

Question 928606: A pharmacist wishes to mix a solution that is 8% minoxidil. She has 70 ml of 4% solution and wishes to add some 10% solution to obtain the desired 8% solution. How much 10% should she add?
Click here to see answer by TimothyLamb(4379)

Question 928636: We are working on unit rates. The question is - Cameron paid $30. 16 for 8 pounds of almonds. That's it. I understand it's $2 per pound and that he is buying 15 pounds but I am having trouble putting it into an equation. Any help wold be great.
Thanks,
Jess
Click here to see answer by ewatrrr(24785)

Question 928680: Lynn wants to make 10kg of mixed nuts in which 1/4 of the nuts are almonds. If 1/3 of the Good Shell nuts and 1/5 of the Nutalicious nuts are almonds, how much of each type should be used in the mixture?

Click here to see answer by stanbon(75887)

Question 928726: The first brand contains
9%
vinegar, and the second brand contains
14%
vinegar. The chef wants to make
200
milliliters of a dressing that is
11%
vinegar. How much of each brand should she use?
Click here to see answer by Alan3354(69443)

Question 928659: mix a solution that is 50% acid with a solution that is 100% water to make 4L of a solution that is 10% acid. How much of each solution should you use?
Click here to see answer by TimothyLamb(4379)

Question 928779: We need to make 10liters of a 25% solution. We have a 10%, 20%, and a 50% to mix. How many liters of each will be used?
Click here to see answer by Alan3354(69443)

Question 928861: If you wanted to make 30 grams of sterling silver for a ring, how many grams of silver and copper would you need to start with?
Click here to see answer by ewatrrr(24785)

Question 928871: guy needs to drink 250 mL solution of 30% antidote. he only has 20% antidote solution and 40% antidote solution. how many mL of each antidote solution does he need to mix
Click here to see answer by ewatrrr(24785)

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