if a light flashes every 6 seconds , how many times will it flash in 2 / 5 of an hour ?
"in 2 / 5 of an hour there are 24 * 60 = 1440 seconds the number of 6 - second intervals = 1440 / 6 = 240 after the first flash , there will be 240 more flashes for a total of 241 . the answer is c ."
divide(multiply(divide(const_3600, const_4), const_3), 6)