document.write( "Question 473873: how many times should the keyboard of a computer be pressed to type all the numbers from 1 to 500 numbers \n" ); document.write( "
Algebra.Com's Answer #325010 by josmiceli(19441)\"\" \"About 
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The numbers 1 - 9 are \"9\" key presses
\n" ); document.write( "The numbers 10 - 99 are \"+2%2A90+=+180+\" key presses
\n" ); document.write( "The numbers 100 - 500 are \"+3%2A401+=+1203+\" key presses
\n" ); document.write( "\"++9+%2B+180+%2B+1203+=+1392+\" total key presses
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