Welcome to Westonci.ca, your go-to destination for finding answers to all your questions. Join our expert community today! Connect with a community of experts ready to help you find accurate solutions to your questions quickly and efficiently. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

River drove for 2 hours on the freeway, then decreased their speed by 20 miles per hour and drove for 2 more hours on a country road. If their total trip was 168 miles, then what was their speed on the freeway?