Combine and .
Divide by .
Add and .
Multiply by .
Rewrite the expression using the negative exponent rule .
Raise to the power of .
Divide by .
Multiply by .
Subtract from .
Multiply by .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Multiply the numerator by the reciprocal of the denominator.
Divide by .
Combine and .
Multiply by .
Divide by .
Evaluate (160000(0.05/12))/(1-(1+0.05/12)^(-12*20))