The time on a clock is 20 minutes past 4. What is the angle between the hands of the clock? Choose the correct choice from the following.
A) 60 degrees B) 20 degrees C) 45 degrees D) 50 degrees E) 10 degrees
The hour hand rotates 360 degrees in twelve hours.   The hour hand rotates 30 degrees in one hour.   The hour hand rotates 5 degrees in ten minutes.   At this time, the hour hand has rotated 130 degrees.   The minute hand rotates 360 degrees in 60 minutes, or 60 degrees in ten minutes.   At this time, the minute hand has rotated 120 degrees.   The difference is 130 - 120= 
<gadget id="calculator">130 - 120</gadget>
<output>10</output>
10 degrees.   The answer is 10 degrees.
<result>E</result>
The time on a clock is 20 minutes past 4. What is the angle between the hands of the clock?