the wheel has ten seats and each seat can fit one couple.each minute a seat passes by the entrance exit stage.the wheel starts functioning at 8pm for half an hour-how many couples took a ride
The first thing you should know is that the wheel works for half an hour.  Half an hour = 30 minutes.  We can make the following rule of three:  1 min ---> 10  30 min ---> x  Clearing x  x = ((30) / (1)) * (10) = 300  answer  300 couples took a ride
