# Tape travels through a tape player at a speed of 9.45 ft per min How many feet of tape are needed for half an hour of continuous music?

30*9.45 or $283.5 f e e t$
In every min, the speed is 9.45 ft. In 30 minutes (1/2 hr), you need 30*9.45 ft long tape. It is $283.5 f t$