SOLUTION: How long will a storm last that is 7 miles wide using this formula: t^2=d^3/216

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Question 1004103: How long will a storm last that is 7 miles wide using this formula: t^2=d^3/216
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

given: d=7 miles wide
t%5E2=d%5E3%2F216
t%5E2=7%5E3%2F216
t%5E2=%287%5E2%2A7%29%2F216
t=sqrt%28%287%5E2%2A7%29%2F%2836%2A6%29%29
t=%287%2F6%29%28sqrt%287%29%2Fsqrt%286%29%29...exact solution
t=%287%2F6%29%282.645751311064591%2F2.449489742783178%29
t=1.26......approximate solution