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Mike and Peggy are digging holes for time capsules. Together it take them 2.4 hours to dig a hole. If Mike can dig a

Mike and Peggy are digging holes for time capsules. Together it take them 2.4 hours to dig a hole. If Mike can dig a hole by himself in 3.2 hours, how long would it take Peggy to dig the same hole? Only provide the numerical solution. The unit, hours, is not necessary.

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