SOLUTION: 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 phone

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: 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 phone      Log On

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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?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
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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How is manually operated related to dial and touch-tone?
Aren't both manually operated?