Mathematics, 13.01.2020 21:31 kellysmith45

Each test contains 20 questions. in average, it takes a person to take each test 40 minutes. if i was to get stuck in one out of 5 questions for an additional 2 minutes. how long will it take me to complete 3 of the tests?

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Each test contains 20 questions. in average, it takes a person to take each test 40 minutes. if i wa...