A total of 6.825 inches of snow fell during a storm the snow fell at an average rate of 1.3 inches per hour for how many hours did the snow fall

If the snow falls at a rate of 1.3 inches per hour, dividing 6.825 into 1.3 should give you your answer.

6.825/1.3 = 5.25

Therefore, the snow was falling for 5.25 hours, or 5 hours and 15 minutes.