kevinm
kevinm
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Okay - let's say there are x people to start with. In that case: $900/(x-5) - $900/x = $2 450 (x - (x-5))/x(x-5) = 1 450 (5 / x(x-5)) = 1 2250 = x(x-5) x^2 - 5x - 2250 = 0 (x-50)(x+45) = 0 And we get x=50. So there were 50 people in the…
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Okay - let's say there are x people to start with. In that case: $900/(x-5) - $900/x = $2 450 (x - (x-5))/x(x-5) = 1 450 (5 / x(x-5)) = 1 2250 = x(x-5) x^2 - 5x - 2250 = 0 (x-50)(x+45) = 0 And we get x=50. So there were 50 people in the…