a light flashes every 6 seconds, how many times will it flash in ? of an hour? Select
A) 550  B) 600  C) 650  D) 700  E) 750
1flash=6sec   for 1 min=10flashes   so for 1 hour=10*60= 
<gadget id="calculator">10*60</gadget>
<output>600</output>
600 flashes.   ANSWER:600
<result>B</result>
a light flashes every 6 seconds, how many times will it flash in ? of an hour?