document.write( "Question 667281: How many two-digit counting numbers are not a multiple of 10? \n" ); document.write( "

Algebra.Com's Answer #414934 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "How many two-digit counting numbers are not a multiple of 10?
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document.write( "Cannot use 0 in the tens place and not using 0 in the ones place...
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document.write( "Or
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document.write( "   two-digit counting numbers minus 9 multiple of tens = 81  \n" );
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