SOLUTION: Please help me solve this Problem: 1. edwin is 25 years younger than his father. however, his father will be twice his age in 10 years. find the ages of edwin and his father? 2

Question 1124468: Please help me solve this Problem:
1. edwin is 25 years younger than his father. however, his father will be twice his age in 10 years. find the ages of edwin and his father?
2. if 5 parts of alcohol is mixed with 20 parts of water, what part of the mixture is alcohol?
3. a chemical engineer mixed 40ml of 35% hydrochloric acid solution with 20ml of 50% hydrochloric acid solution. what is the percentage of the hydrochloric acid of the new solution?
4. how many liters of water must be extracted to 20 liters of 12.5% salt solution to make it 20% salt solution?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
-----
1. edwin is 25 years younger than his father. however, his father will be twice his age in 10 years. find the ages of edwin and his father?
2. if 5 parts of alcohol is mixed with 20 parts of water, what part of the mixture is alcohol?
3. a chemical engineer mixed 40ml of 35% hydrochloric acid solution with 20ml of 50% hydrochloric acid solution. what is the percentage of the hydrochloric acid of the new solution?
4. how many liters of water must be extracted to 20 liters of 12.5% salt solution to make it 20% salt solution?
-----

1:

Solve however you want.

2:

RELATED QUESTIONS
PLEASE HELP ME SOLVE THIS WORD PROBLEM: "AGE" A FATHER IS 30 YEARS OLDER THAN HIS SON.... (answered by TimothyLamb)

Someone please help me!!! Three generations. Edwin, his father, and his grandfather... (answered by josgarithmetic,greenestamps)

Tutor,Please Help Me Solve this Word Problem;- A Boy Is X Years Old and His Father Is 10... (answered by josmiceli)

This word problem is really bugging me can you solve it? A father is now 20 years... (answered by mananth)

Rana is 25 years younger than his father. In 10 years time from now, his father will be... (answered by AnlytcPhil)

Please help me solve this problem: Five years ago, Dino was 1/5 as old as his father.... (answered by mananth)

Please help me solve this word problem. Matt's age is 40% of his father's age. Ten... (answered by Theo,MathTherapy)

A boy is 42 years younger than his father. In 8 years time, he will be 1/4 times as old... (answered by scott8148)

Please help me solve this problem: What is a son's age if his mother is twice his age... (answered by ankor@dixie-net.com)