10. If 72% of a certain quantity is 162, find the quantity.Ans. 22511. If 16% less than a certain quantity is 441, find the quantity.Ans. 52512. How many gallons of 85% solution of Ethyl Alcohol should be added to 30 gallons of 50%

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Answered: 10. If 72% of a certain quantity is…

10. If 72% of a certain quantity is 162, find the quantity. Ans. 225 11. If 16% less than a certain quantity is 441, find the quantity. Ans. 525

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter11: Rational And Irrational Numbers

Section11.2: Decimal Forms Of Rational Numbers

Problem 30WE

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