Posted by **Don** on Friday, October 2, 2009 at 10:43pm.

A certain kind of animal weighs about 71 pounds at birth and gains about 2 pounds per day for the first few weeks. Determine those days for which the animal's weighs more than 117 pounds.

The animal's weight is more than 117 pounds when the animal is more than__ days old.

I said 89 days old

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