Luke ate a snack with 91 total calories. If the chips he ate were 41.2 calories, how many calories were in the rest of his snack?

Manuel drives 300 miles to orlando fl. he drives at 50 mile per hour. after driving for two hours he takes 15 minutes break two hours after his first break he takes a 30 minutes break the he drive for two hours more including the two breaks how long does it take manuel to drive to orlando