请教各位几道题

员子宝宝

1.what is the combined area ,in square inches,of the front and back of a recangular sheet of  paper measuring 8.5 inches  by 11  inches?这个og上的，课是看了解释还是不能理解!

littlestoner

能不能post一下整道题目和OG的解释?

员子宝宝

题目就是上面的，选项是 a38 b44  c88   d176  e187

og的解释：

since for a rectangle (width)(length)=area,the combined area of the two sides of the sheet is 2（8.5）（11）=187

qwrtfdse

confused too