Answered: 11. The sum of the digits of a two…

11. The sum of the digits of a two digit number is 12. If the digits are reversed, the new number is 4/7 of the original number. Determine the original number

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

Chapter9: Systems Of Linear Equations

Section9.7: Puzzle Problems

Problem 3OE

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Question

11. The sum of the digits of a two digit number is 12. If the digits are reversed, the new number is 4/7 of the original number. Determine the original number 12. Gwen is twice as old as Arni was when Gwen was as old as Arni is now. If Gwen is 24 years old now, how old is Arni now?

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