SOLUTION: Mrs. Chern frove at a rate of 45 mph from her home to her sisters house. she spent 1.5 hours having lunch with her sister. She the drove back home at a rate of 55 mph. the entire t

SOLUTION: Mrs. Chern frove at a rate of 45 mph from her home to her sisters house. she spent 1.5 hours having lunch with her sister. She the drove back home at a rate of 55 mph. the entire t

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