Rewrite the equation as .

Combine and .

Multiply by .

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Multiply both sides of the equation by .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Solve for k 0.004*100=k/100*100