Determine the value of kkk such that the equation k0.4−k0.8=2.5\frac{k}{0.4} - \frac{k}{0.8} = 2.50.4k−0.8k=2.5 holds true.
1.01.01.0
2.02.02.0
0.50.50.5
4.04.04.0