Gab’s age on his birthday in 1989 is equal to the sum of the digits of the year 19xy in which he was born. If x and y satisfies the equation x – y – 6 = 0, find the age of Gab in 1990
Gab’s age on his birthday in 1989 is equal to the sum of the digits of the year 19xy in which he was born. If x and y satisfies the equation x – y – 6 = 0, find the age of Gab in 1990
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
Chapter1: Introduction To Algebra
Section1.3: Equations
Problem 4OE
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7. Gab’s age on his birthday in 1989 is equal to the sum of the digits of the year 19xy in which he was born. If x and y satisfies the equation x – y – 6 = 0, find the age of Gab in 1990
8. Glen is eleven times as old as Geian. In a certain number of years, Glen will be five times as old as Geian and five years after that, Glen will be three times as old as Geian. How old is Glen now?
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