Colleen rode 5 miles on her bicycle. her average time per mile was 6.2 minutes. her times for the first 4 miles were 4.8 minutes, 5.2 minutes . 7.1 minutes, 7.2 minutes. what was her time for the last mile?

Given that Colleen rode 5 miles on her bicycle on an average time per mile of 6.2 minutes.

Given that her times for the first 4 miles were 4.8 minutes, 5.2 minutes . 7.1 minutes, 7.2 minutes.

Let her time for the last mile be x minutes, then



Therefore, her time for the last mile is 6.7 minutes

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