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     EduGorilla 
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    A phone call from City X to City Y costs $1.00 for the first 3 minutes and $0.20 for each subsequent minute. If r is an integer greater than 3, how many dollars will a phone call, r minutes long, cost?

    Options :-

    1. 3r/5
    2. (r - 10)/5          
    3. (r - 3)/5
    4. (r + 2)/5
    5. (r + 15)/5
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