Solve for k
k=7.8
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2.4k=18.02+0.7
Add 0.7 to both sides.
2.4k=18.72
Add 18.02 and 0.7 to get 18.72.
k=\frac{18.72}{2.4}
Divide both sides by 2.4.
k=\frac{1872}{240}
Expand \frac{18.72}{2.4} by multiplying both numerator and the denominator by 100.
k=\frac{39}{5}
Reduce the fraction \frac{1872}{240} to lowest terms by extracting and canceling out 48.
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