IBRAHIM A. answered • 03/24/14

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Marvetta,

N directly proportional to S with the formula

N = kS

in case you were asked for inverse it would be N = (1/s) * k = k/S

But we are interested in direct proportion

N = k S

\Question b

You will have to find the value of k to get that gap. The question is only asking for N by providing S

N = k S

N = 2, 000, 000 and S = 25

N = k S will be 2, 000, 000 = k * 25

k = 2, 000, 000 / 25 = 80, 000

If S is given as 180 megahertz

Then N =k S will be N = 80, 000 * 180 = 14, 400, 000

And that fills your gap...