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Justin takes three times as long to do a job as Carl does, suppose t represents the time it takes Carl to do the job. Then 3t represents the time it takes Justin. How long does it take Justin if Carl takes (a) 30 sec? (b) 90 sec? (c) 2 min?
11 years ago

Answers

Ms. Sue
3t =
3 * 30 = 90
3 * 90 = 180



11 years ago
Gloria
is 90 sec
8 years ago

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