If John purchased 20 bars of soap, and each bar weighs 1.5 pounds, then the total weight of the soap is 20 * 1.5 = 30 pounds.
If the price is $.5 per pound, then the total cost of the soap is 30 * $.5 = $15.
Therefore, John spent $15 on soap.
#### 15
The answer is: 15
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
What is the total amount of money John spent on soap if he purchased 20 bars, each weighing 1.5 pounds, for $.5 per pound?

### Answer:
