It depends on what the rat eats. if it eats noting but cheese, it will gain between 10-15 lbs.
rats are full grown at 6 months
well, is it an East African black rat? or is it a North American albino white rat?
A kangaroo rat (not to be confused with the rat-kangaroo of Australia) is able to reproduce by the time they are 32-56 days old. They are considered fully grown between the ages of two and a half months and four months.
7 or 9 inches
NO! they are way to small to do that
Two pounds
Total water weight gain from metabolic water for the kangaroo rat is normally double its bodyweight. The rat doubles in size, registers as a democrat, and is then able to vote in the next election.
100 pounds.
Good question
An adult male rat can weigh about 1.5 pounds.
1 million pounds an hour
it depends how big the rat is, when it is fully grown it can get to about 15- 20 cm depending on its gender