Another problem 求助!
OG Problem Solving 16:
What is the combined area, in square inhes, of the front and back of a rectangular sheet of paper masuring 8 1/2 --
(17/2) by 11 inches?
A. 38
B. 44
C. 88
d. 176
e..187
What is "the combined area" here? 这道题看了半天都不懂 那个17/2 是长 or 宽 11inches是厚度吗 |