SOLUTION: A 5% solution of a certain type of medicine is to be diluted to a 1% solution. Determine amt. of water added. 5% solution = 5% medicine, 95% water. 1% solution = 1% medicine

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Question 1125427: A 5% solution of a certain type of medicine is to be diluted to a 1% solution. Determine amt. of water added.
5% solution = 5% medicine, 95% water.
1% solution = 1% medicine, 99% water.
Unsure how to proceed. Non-homework.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F5=20%2F100

Add 1 part medicine to 4 parts water.

Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
A 5% solution of a certain type of medicine is to be diluted to a 1% solution. Determine amt. of water added.
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            I ignore your writing which follows after the problem formulation.

            Below find my solution to your problem. 


To dilute 5% solution to 1% solution by adding water,  you need to add  4 times as much water as the volume of your original liquid.



Then the total amount of the obtained liquid will be 5 times the original volume,

and it will contain THE SAME amount of medicine as the original solution.



In this way you will dilute the solution from 5% to 1%.


            Explained and solved.