1. The square of five times a number less than the square of three times a number is two hundred eighty eight. What is a number? 2. Sally is 3 times as old as Jenny. 8 years from now, Sally will be twice as old as Jenny. How old is Jenny now?
1. The square of five times a number less than the square of three times a number is two hundred eighty eight. What is a number? 2. Sally is 3 times as old as Jenny. 8 years from now, Sally will be twice as old as Jenny. How old is Jenny now?
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
Chapter3: Solving Equation And Problems
Section3.5: Equations With The Variable On Both Sides
Problem 20P
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1. The square of five times a number less than the square of three times a number is two hundred eighty eight. What is a number?
2. Sally is 3 times as old as Jenny. 8 years from now, Sally will be twice as old as Jenny. How old is Jenny now?
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