(15x^4y^2z)/(20x^3)y A (3xz)/(4x) B (3z)/(4) C (3xyz)/(4) D

## Step 1: Simplify the numerical coefficients### Divide both the numerator and the denominator by their greatest common divisor, which is 5. This simplifies the fraction to .## Step 2: Simplify the x terms### Using the quotient rule for exponents, , we simplify to .## Step 3: Simplify the y terms### Similarly, using the quotient rule for exponents, we simplify to .## Step 4: Combine the simplified terms### Combining the simplified numerical coefficients, x terms, and y terms with the remaining z term, we get .