SOLUTION: AT 10 AM, Eve started out at 55 kilometers per hour to catch Adrienne, who had a one hour head start. If Eve was still 100 kilometers behind at 6 PM, how fast was Adrienne driving?

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Question 156691This question is from textbook Algebra 1 An Incremental Development
: AT 10 AM, Eve started out at 55 kilometers per hour to catch Adrienne, who had a one hour head start. If Eve was still 100 kilometers behind at 6 PM, how fast was Adrienne driving? This question is from textbook Algebra 1 An Incremental Development

Answer by gonzo(654) About Me  (Show Source):
You can put this solution on YOUR website!
from 10am to 6 pm is 8 hours at 55 kmph means eve traveled 440 km.
if adrienne is 100 km ahead of eve and adrienne started one hour ahead of eve, then adrienne had to travel 540 km in 9 hours making her average rate of speed 60 kmph.