Question 739416
Sarah drove her boat at 5 miles per hour for 45 minutes and at 4 miles per hour for 30 minutes. What was the total distance, in miles, that Sarah drove her boat?
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change minutes to hours
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Sarah drove her boat at 5 miles per hour for 3/4 hour and at 4 miles per hour for 1/2 hour. What was the total distance, in miles, that Sarah drove her boat?
d = r*t
d = 5*(3/4) + 4*(1/2)
d = 15/4 + 2 = 23/4 miles
d = 5 3/4 miles