document.write( "Question 550054: what percentage of numbers from 1 to 70 has 1 or 9 in the units digit \n" ); document.write( "
Algebra.Com's Answer #358368 by josmiceli(19441)\"\" \"About 
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numbers with 1 in units digit are
\n" ); document.write( "1,11,21,31,41,51,61
\n" ); document.write( "number with 9 in units digit are
\n" ); document.write( "9,19,29,39,49,59,69,
\n" ); document.write( "This is \"+7+%2B+7+=+14+\"
\n" ); document.write( "\"+14%2F70+=+.2+\"
\n" ); document.write( "20% of numbers from 1 to 70 have
\n" ); document.write( "1 or 9 in units digit
\n" ); document.write( "
\n" );