SOLUTION: This is on page 228 of textbook. Marcie Waderman is having a holiday party at her house. She made 2 gallons of punch solution that contains 2% alcohol. How much pure punch mus

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Question 126622This question is from textbook Elementary Algebra
: This is on page 228 of textbook.
Marcie Waderman is having a holiday party at her house. She made 2 gallons of punch solution that contains 2% alcohol. How much pure punch must Marcie add to the punch to reduce the alcohol level to 1.5%? This question is from textbook Elementary Algebra

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
2*.02=.015(2+X)
.04=.03+.015X
.015X=.04-.03
.015X=.O1
X=.01/.015
X=.66 GALLONS OF PURE WATER IS REQUIRED.
PROOF:
2*.02=.015(2+.66)
.04=.015*2.66
.04=.04