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anonymous

  • 5 years ago

Need some help again with another word problem...I hate these things....here is the problem: An efficient heater can warm the entire gymnasium in 3 hours. An older, less efficient heater requires 8 hours to heat the same space. How long would it take to heat the gymnasium if both heaters worked together?

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  1. anonymous
    • 5 years ago
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    2.1818

  2. anonymous
    • 5 years ago
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    if you had two of the three hour heaters, it would take 1.5 hours right so y/3+y/3=2y/3 or 1.5 following y/8+y/3= 11y/24 or 2.1818 makes sense because its less than the three hour alone

  3. anonymous
    • 5 years ago
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    are you using / to mean dividing? Sorry...someone else had helped me with a different problem and when they used / it meant something else. Thanks for your help! I appreciate it

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