Rewrite the equation as .

Multiply both sides of the equation by .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Take the natural logarithm of both sides of the equation to remove the variable from the exponent.

Expand by moving outside the logarithm.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Solve for t y=1/5*(3^t)