Q6:
A carpenter built three bookcases, A,B
,and C
, to stand next to each other along a wall. The total length of the wall is 456
centimeters. The carpenter will build two more bookcases, D
and E
, along the same wall. These two bookcases will have equal widths. The widths of bookcases A,B
,and C
are shown in the table below.
​