|No, the 747 doesn't use 545.2 gallons of fuel to fly from Dallas to Atlanta. You might have converted the time incorrectly. 1 hour 45 minutes isn't the same as 1.45 hours. To convert from hours and minutes into hours:|
|1. We convert the time into minutes.
2. We divide by 60 min/hr, which is the same as multiplying by the reciprocal.
3. The minutes units cancel, and we're left with a decimal number.