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Annetta_Martin

  • 3 years ago

y varies inversely as x. When y = 5, x = 12. Determine y when x = 15.

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  1. Annetta_Martin
    • 3 years ago
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    Is it 4?

  2. marsss
    • 3 years ago
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    5*12=y*15 so y=4 you're right :)

  3. thomaster
    • 3 years ago
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    i think 12/5 = 2.4 so thats the factor 5 * 2.4 = 12 ? * 2.4 = 15 (15*5)/12 = 6.25 or \[6\frac{ 1 }{ 4 }\]

  4. Annetta_Martin
    • 3 years ago
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    Thank you! :)

  5. surjithayer
    • 3 years ago
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    given y=k/x,where k is a constant when x=12 ,y=5 5=k/12, or k=60 y=60/x when x=15,y=60/15=4

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