Aboat is traveling around a lake. there is a buoy in the middle of the lake about which the boat can measure rotation and there are four docks. if the boat starts at dock a and makes a half rotation, which dock does it end up at?

C

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.