<PRE><B>Question 171505</B>
 X - 10%=180
THIS IS AN EXAMPLE. TOTAL PRICE MINUS 10% EQUALS 180.HOW DO YOU FIND OUT THE START NUMBER AND HOW MUCH THE 10% IS?
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If X is the total price and you are subtracting 10% of x 
your equation should be 
x - 0.10x = 180
0.90x = 180
x = 200
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Cheers,
Stan H.</PRE>