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8 August, 12:13

The number of hours, h, it takes for a block of ice to melt varies inversely as the temperature, t. If it takes 2 hours for a square inch of ice to melt at 70 degrees, find the constant of proportionality

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  1. 8 August, 15:58
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    This is an inverse or indirect variation problem that would be set up as y=k/x if you were using y and x. Since you are using h and t, it would look like this:

    h=k/t, where k is the constant of variation. Fill in the formula with the h and the t they give you: 2=k/70. Multiply both sides by 70 to get a constant of variation value of 140.
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