i) Two equations have been givens as follows: the difference  between x and y is the index of the number 3 and the sum of x and  y is the index of the same base. Both are equated to 9 and 243  respectively. How do you determine the values of x and y. Prove it.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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i) Two equations have been givens as follows: the difference 
between x and y is the index of the number 3 and the sum of x and 
y is the index of the same base. Both are equated to 9 and 243 
respectively. How do you determine the values of x and y. Prove it. 

ii  A cake of mass 600 g has three ingredients namely flour, sugar 
and raisins. There is twice as much flour as sugar and one and a 
half times as much sugar as raisins. Determine how much flour 
is there.

 

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