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Español A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 70% pure antifreeze. In order to obtain 40 gallons of a mixture that contains 65% pure antifreeze, how many gallons of each brand of antifreeze must be used? I| gallons ? First brand: Second brand: |gallons

Español A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 70% pure antifreeze. In order to obtain 40 gallons of a mixture that contains 65% pure antifreeze, how many gallons of each brand of antifreeze must be used? I| gallons ? First brand: Second brand: |gallons

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Español A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 70% pure antifreeze. In order to obtain 40 gallons of a mixture that contains 65% pure antifreeze, how many gallons of each brand of antifreeze must be used? First brand: | gallons O gallons Second brand: Aa
Transcribed Image Text:Español A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 70% pure antifreeze. In order to obtain 40 gallons of a mixture that contains 65% pure antifreeze, how many gallons of each brand of antifreeze must be used? First brand: | gallons O gallons Second brand: Aa
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