Question 1139568
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<pre>

Two weeks ago :  4500.

Last week     :  4500*(1 + 0.12) = 4500*1.12 = 5040.

This week     :  5040*(1 - 0.15) = 5040*0.85 = 4284.


Decrease      :  4500 - 4284     = 216.


Total percentage decrease over two weeks :   {{{(216/4500)*100}}} = 4.8%.


<U>ANSWER</U>.  Total percentage decrease over two weeks is 4.8%.
</pre>

Solved.


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On percentage, &nbsp;see the lessons 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/percentage/lessons/Percentage-problems.lesson>Percentage problems</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/Percentage-word-problems-%28Type-1-problems-Finding-the-Part%29.lesson>Percentage word problems (Type 1 problems, Finding the Part)</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/Percentage-word-problems-%28Type-2-problems-Finding-the-Rate%29.lesson>Percentage word problems (Type 2 problems, Finding the Rate)</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/Percentage-word-problems-%28Type-3-problems-Finding-the-Base%29.lesson>Percentage word problems (Type 3 problems, Finding the Base)</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/More-complicated-percentage-problems.lesson>More complicated percentage problems</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/Problems-on-percentage-that-lead-to-unexpected-results.lesson>Problems on percentage that lead to unexpected results</A>

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