Answer:
Last week, she walked a greater distance
Step-by-step explanation:
Rosemary walks each week for exercise. Let d represent the distance walked and h represent the number of hours spent walking.
Last week: walked 18 miles in 6 hours
Rosemary walked (18/6) = 3 miles per hour
This week: d = 2.5h
This week she walked 2.5 miles per hour
last week she walked 3 miles per hour that is greater than 2.5 miles per hour
So , Last week, she walked a greater distance