求助涛涛-28-30

volleyball

Q30:

A rectangular photograph is surrounded by a border that is 1 inch wide on each side.  The total area of the photograph and the border is M square inches.  If the border had been 2 inches wide on each side, the total area would have been (M + 52) square inches.  What is the perimeter of the photograph, in inches?

 

A.      34

B.      36

C.      38

D.     40

E.      42

答案为D.算来算去算不到选项中答案,那位高手，烦劳给与指点。谢谢

volleyball

thanks