10T is merely 4000sqft, right?

来源: 于 2012-09-05 20:35:49 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
It is common to have 8T for 3000sqft so 10T is only 25% more or 3750sqft.

Why it is 7,000 sqft?