Solve the following problem. Rosalie for 2/5 of an hour every morning. How much time does she spend exercising in a week? Convert the answer to a mixed number.
To find out how much time Rosalie spends exercising in a week, we need to multiply the time she exercises each morning by the number of mornings in a week.
Number of mornings in a week = 7
Time she exercises each morning = 2/5 hour
Total time spent exercising in a week = (2/5) x 7 = 14/5 hour
To convert this to a mixed number, we divide the numerator by the denominator:
14 รท 5 = 2 remainder 4
So, the answer is 2 4/5 hour.