Solve for k
k=\frac{2}{3}\approx 0.666666667
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\frac{60}{90}=k
Divide both sides by 90.
\frac{2}{3}=k
Reduce the fraction \frac{60}{90} to lowest terms by extracting and canceling out 30.
k=\frac{2}{3}
Swap sides so that all variable terms are on the left hand side.
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