A car's value decreased from $15,000 to $12,000. What is the percentage decrease in its value?

✓ Correct Answer: Option A

Calculate the decrease: $15,000 - $12,000 = $3,000. Divide the decrease by the original value: ($3,000 / $15,000) = 0.2. Convert to percentage: 0.2 * 100% = 20%.