Express:15 seconds as a percentage of 1 hour.

Options

A. A) 0.4167%
B. B) 0.234%
C. C) 0.675%
D. D) 1%

Explanation

To express 15 seconds as a percentage of 1 hour, we can follow these steps:

### Step-by-Step Solution:

1. **Convert 1 hour into seconds**:
- We know that 1 hour = 60 minutes.
- And 1 minute = 60 seconds.
- Therefore, 1 hour = 60 minutes × 60 seconds/minute = 3600 seconds.
...