document.write( "Question 1094687: if i subtract 17 from the number i am thinking of and then multiply the difference by 25 i get 900 what is my number
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Algebra.Com's Answer #709322 by ikleyn(52855) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "The best way to solve such puzzles (and solve them MENTALLY) is to go from the end to the beginning and to do the inverse operations:\r\n" );
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document.write( "a) divide 900 by 25 mentally to get 4*9 = 36;\r\n" );
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document.write( "b) add 17 to 36 to get 17+36 = 53.\r\n" );
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document.write( "It is your answer and your secret number.\r\n" );
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