Posted by **Dani** on Monday, April 18, 2011 at 6:32pm.

Lawrence records the number of minutes he reads each day show below

Day 1: 75 mins

Day 2: 30 mins

Day 3: 25 mins

Day 4: 50 mins

Day 5: 80 mins

How many minutes must Lawrence read on the sixth dat of have mean of 55 minutes read for the 6 day?

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