Solve for N
N=20000
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N=\frac{11580}{0.579}
Divide both sides by 0.579.
N=\frac{11580000}{579}
Expand \frac{11580}{0.579} by multiplying both numerator and the denominator by 1000.
N=20000
Divide 11580000 by 579 to get 20000.
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