SOLUTION: Joe and Louise are making a drive from San Diego to Salt Lake City. After four hours of driving they are 507 miles from Salt Lake City. Eight hours into their trip they are only 26

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Question 823905: Joe and Louise are making a drive from San Diego to Salt Lake City. After four hours of driving they are 507 miles from Salt Lake City. Eight hours into their trip they are only 267 miles away from their destination. Assume they averaged the same speed for the entire trip.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Do you have a question or should i guess what you wan to know?
4r=d-507,
8r=d-267
d = 747, r = 60