Going over her books one day, a bookkeeper for a toy company notices that the word "balloon" has two sets of double letters, one following the other. An English word containing three sets of double letters, one right after the other, appears in this puzzle. Can you find it?

ballon

Step-by-step explanation:

well it has ball and on

seems like d

step-by-step explanation:

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.