The minutes it takes Luanne to wash and dry a load of laundry is 75 minutes.
In order to determine the minutes it takes Luanne to wash and dry a load of laundry, hours has to be converted to minutes.
The unit of conversion is: 1 hour = 60 minutes
In order to convert 0.25 hours to minute, multiply 0.25 by 60:
0.25 x 60 = 15 minutes
Add 60 and 15: 60 + 15 = 75 minutes
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