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saifoo.khan

  • 2 years ago

Need serious help here;

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  1. saifoo.khan
    • 2 years ago
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    New question: Jeff starts driving at 75 mph from the same point that Lauren starts driving at 50 mph. They drive in opposite directions, and Lauren has a half-hour head start. How long will they be not able to talk on their cell phones that have a 300 mile range?

  2. saifoo.khan
    • 2 years ago
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    I think it's B.

  3. saifoo.khan
    • 2 years ago
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    x > =11/5 ?

  4. saifoo.khan
    • 2 years ago
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    meaning 2.2

  5. saifoo.khan
    • 2 years ago
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    YES! 2hrs 12mins

  6. sauravshakya
    • 2 years ago
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    Yep it: 75x+50x+50*1/2=300

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