SOLUTION: A 10 OUNCES SOLUTION OF ALCOHOL AND IODINE IS 3% IODINE.HOW MUST ALCOHOL MUST BE ADDED TO MAKE A SOLUTION FOR TREATING CUTS THAT IS ONLY 2% IODINE?
GOOD MORNING SIR/MA'AM.I NEE
Algebra.Com
Question 479004: A 10 OUNCES SOLUTION OF ALCOHOL AND IODINE IS 3% IODINE.HOW MUST ALCOHOL MUST BE ADDED TO MAKE A SOLUTION FOR TREATING CUTS THAT IS ONLY 2% IODINE?
GOOD MORNING SIR/MA'AM.I NEED A STEP-BY-STEP SOLUTION. THANK YOU
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
--------percent---------------- quantity
Iodine 3 ---------------- 10 ounces
alcohol 0 ---------------- x ounces
Total 2 ---------------- 10 + x ounces
3*10+0*x =2(10+x)
30+0x=20 +2x
-2x=20-30
-2x =-10
/-2
x=5 ounces alcohol
m.ananth@hotmail.ca
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