A doctor ordered a patient to exercise. The patient ealked for 147 minutes in 2 weeks. The ratio of the time for the first week to the time for the second week is 8:13. How many minutes did the patient walk each week?
1) 8x + 13x = 147 21x = 147 x = 147 : 21 x = 7 (one part) 2) 7 * 8 = 56 min. - patient walked in the first week 3) 7 * 13 = 91 min. - in the second week.
