Solve Mixture and Uniform Motion Applications · Try It 11
Christopher and his parents live 115 miles apart. They met at a restaurant between their homes to celebrate his mother’s birthday. Christopher drove one and a half hours while his parents drove one hour to get to the restaurant. Christopher’s average speed was ten miles per hour faster than his parents’ average speed. What were the average speeds of Christopher and of his parents as they drove to the restaurant?
OpenStax, Intermediate Algebra 2e · §2.4 Solve Mixture and Uniform Motion Applications · Try It 11
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