Lv 1197 points

# Bilbo

• ### Help solving mixture word problem?

Heating a 500 mL 40% alcohol solution such that the resulting alcohol solution will become a 70% alcohol solution.

How do you solve this and what is the correct answer?  Best answer awarded to most helpful.  Thank you.

• ### Mixture problem?

You have 9 milliliters of a 25% acid solution. How many milliliters of pure water needs to be added to make a 10% acid solution?

• ### Help with mixture problem?

A 10% alcohol solution and a 40% alcohol solution are mixed to form 80ml of a 35% solution. How much of each mixture was needed?

• ### Help with mixture problems?

Please explain how to solve this and best answer will be awarded to most helpful explanation.  Thank you.

How many gallons of a 30% acid-solution must be added to how many gallons of a 70% acid-solution to make 50 gallons of a 40% acid-solution?

And

A 10% alcohol solution and a 40% alcohol solution are mixed to form 80ml of a 35% solution. How much of each mixture was needed?

Thank you

• ### Help with a ratio question?

A home shampoo and conditioner mix in a five gallon tub is 3:4 parts shampoo to conditioner. How much shampoo do you need to add to this mix to make it 4:1 parts shampoo?

What is the correct answer and how do you work it out.  Best answer awarded to most helpful.  Thank you.

• ### Ratio question?

67.5 gallons of shandy

4 parts beer 5 parts Lemonade

How much BEER needs to be added to made the drink lager top with 1 part lemonade and 8 parts beer.

To the nearest decimal point.

• ### Help with ratio question?

A man has a punch for his party(7 gallons)which is 1:1 Whiskey to Fruit Juices

He wants to make it weaker and have more of it.

How much fruit juice does he need to add to make a mix with a whiskey to mixer ratio of 2:5 and how much of the punch will he have in the end?

• ### Algebra mix problem?

If you have 20 pints of 30% solution and 50 pints of 5% solution and mix them together, what is the percentage?

Thank you

• ### Mixture word problem?

If you have 10pints of 40% solution and 10 pints of 20% solution and mix them together, what is the percentage?

• ### Help with a mixture problem?

How many gallons of a 30% acid solution must be added to how many gallons of a 70% acid solution to make 50 gallons of a 40% acid solution?

I have no idea how to solve this.  Most helpful explanation will be awarded best answer.

• ### Math coin problem?

You have a jar full of pennies, 5p's and 50p's. You have 61 more pennies than 5p's and 42 more pennies than 50p's. There are 128 coins that add up to a total of £19.07.

How many of each coin is there?

• ### Speed, distance, time question?

David can run a mile in 7 minutes and 40 seconds.  With this information, how far could David run in an hour if he could maintain the same speed for an hour and what is David's speed in miles per minute?

• ### Speed distance time question?

A man can run a mile in 5 minutes and 22 seconds.  Knowing this, how many miles per hour could he run if he were able to maintain the same speed for an hour?

• ### Algebra coin word problem?

John received change worth \$13. He received 10 more dimes than nickels and 22 more quarters than dimes. How many coins of each did he receive?

Could you please give different examples of how to solve this using algebra?  Best answer awarded to most helpful.  Thank you.

• ### Speed distance catch up problem?

Two cars start directly toward each other at the same time from towns which are 280 miles apart. They meet after 4 hours. one car travels 40 mph faster that the other car. Find the speed of each car.