5. total time taken = 3hrs
speed = 30km/hr
total distance travelled = 30 * 3= 90km
6. total time taken = 1.5hrs = 1 1/2 hrs
speed = 70 miles/hr
distance travelled in 1/2 hrs = 1/2 * 70 = 35 miles
total distance travelled = 3/2 * 70 = 3 * 35 = 105 miles
Rest of the answer jen will help
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