Solve for k
k=\frac{100}{1461}\approx 0.06844627
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1022.7k=70
Multiply 21 and 48.7 to get 1022.7.
k=\frac{70}{1022.7}
Divide both sides by 1022.7.
k=\frac{700}{10227}
Expand \frac{70}{1022.7} by multiplying both numerator and the denominator by 10.
k=\frac{100}{1461}
Reduce the fraction \frac{700}{10227} to lowest terms by extracting and canceling out 7.
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