a light flashes every 15 seconds, how many times will it flash in ? of an hour?	Pick
A) 550
B) 600
C) 240
D) 700
E) 750

Rationale: "1 flash = 15 sec for 1 min = 4 flashes so for 1 hour = 4 * 60 = 240 flashes . answer : c"
Answer: C