document.write( "Question 644529: 15. Milltown has 1,600 phones, of which ¾ are dial. If 1/3 of these are replaced by touch-tone phones and 300 additional touch-tone phones are installed, what fraction of the phones are now manually operated? \n" ); document.write( "
Algebra.Com's Answer #405147 by Alan3354(69443)\"\" \"About 
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Milltown has 1,600 phones, of which ¾ are dial. If 1/3 of these are replaced by touch-tone phones and 300 additional touch-tone phones are installed, what fraction of the phones are now manually operated?
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\n" ); document.write( "How is manually operated related to dial and touch-tone?
\n" ); document.write( "Aren't both manually operated?
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