SOLUTION: Shannon and Suzanne average 68 miles per hour on a 390 mile automobile drive. They start driving at 8:40 am. Rounded to the nearest minute, when do they complete their drive?

Question 250540: Shannon and Suzanne average 68 miles per hour on a 390 mile automobile drive. They start driving at 8:40 am. Rounded to the nearest minute, when do they complete their drive?
A.2:14 pm B.2:24 pm C.2:40 pm D.2:41 pm E.3:14 pm

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
68*t/60=390
take the decimal of the answer and multiply by 60=minutes
add that to the hours of t and the minutes above and add to 8:40
remember that 40+20=1 hour
subtract 60 from the total minutes and add one to the hours
subtract 12 from the hours to get clock time.
let me know what you get

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