A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the 85% pure antifreeze. In order to obtain 180 gallons of a mixture that contains 80% pure antifreeze, h each brand of antifreeze must be used? First brand: II gallons Second brand: I gallons

A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the 85% pure antifreeze. In order to obtain 180 gallons of a mixture that contains 80% pure antifreeze, h each brand of antifreeze must be used? First brand: II gallons Second brand: I gallons

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter3: Multi-step Equations And Inequalities

Section: Chapter Questions

Problem 2PTTS

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Transcribed Image Text:A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the second brand is 85% pure antifreeze. In order to obtain 180 gallons of a mixture that contains 80% pure antifreeze, how many gallons of each brand of antifreeze must be used? First brand: I| gallons Second brand: I gallons

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