Rewrite the equation as .

To remove the radical on the left side of the equation, square both sides of the equation.

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Multiply by .

Simplify.

Raise to the power of .

Divide each term in by .

Cancel the common factor of .

Divide by .

Solve for D 45.8 = square root of 30*D*0.7*1