Mathematics

Mathematics

Problem

AMC 8,2018 Problem 12: The clock in Sri's car, which is not accurate, gains time at a constant rate. One day as he begins shopping he notes that his car clock and his watch (which is accurate) both say 12 : 00 noon. When he is done shopping, his watch says 12 : 30 and his car clock says 12 : 35. Later that day, Sri loses his watch. He looks at his car clock and it says 7 : 00. What is the actual time?

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