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 450 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: What is the width, n, for
bookcases D and E.

step-by-step :

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

the answer should be:

a. 3, 4, and 6

b. 18, 24, and 36

c. 4.8, 6.4, and 9.6

hope i

-lavira : )