i think it is 3.18 but I'm noot sure maybe i had trouble with this too, i felt lost abit!!
Answerto turn 18 minutes into decimal take the minutes and multiply it by 60 then divide by 36.3.30 in decimal. Since decimal time runs on a 100 minute clock then you could take those 3 hours and just turn them into 300 + 30 = 330 minutes in decimal time.
3 h - (3h 18 min) = minus 18 minutes.
3 hours 30 minutes = 3.5 hours
3.2 hours
Trying on two online calculators, the answer was the same: 1.3 hours equals 78 minutes!Another Answer:-78 minutes is equal to 1 hour 18 minutes which is 1.3 as a decimalNote that 18 minutes = 18/60 = 3/10 = 0.3 as a decimal
3.15 hours
3 h - (3h 18 min) = minus 18 minutes.
3 hours 30 minutes = 3.5 hours
3.2 hours
Trying on two online calculators, the answer was the same: 1.3 hours equals 78 minutes!Another Answer:-78 minutes is equal to 1 hour 18 minutes which is 1.3 as a decimalNote that 18 minutes = 18/60 = 3/10 = 0.3 as a decimal
0.3 hours = 3/10 hours = 60*3/10 minutes = 180/10 minutes = 18 minutes. So 1.3 hours = 1 hour 18 minutes.
3.6666 repeating hours
3.15 hours
3.25 hours
18 and 2/3 hours or 18 hours and 40 minutes.
Three hours and 15 minutes can be written as 3.25 hours or 3 1/4 hours.
.3 of an hour is 18 minutes
18 hours