A wheel take 1/12 minutes to make a complete turn. How many turns does it make in a half a minute?
1 minute = 60 seconds
1/12 minutes = 60/12 = 5 seconds
Half a minute = 60/2 = 30 seconds
1 turn/5 seconds * 6/6 = 6 turns per 30 seconds
1 minute = 60 seconds
1/12 minutes = 60/12 = 5 seconds
Half a minute = 60/2 = 30 seconds
1 turn/5 seconds * 6/6 = 6 turns per 30 seconds