How can i find the solution to a/5 + 8 is less than or equal to 13?

Here, we are trying to solve for :

By using reverse operations on the left side of the problem, we can solve for :

Our answer is .

r = 78539458390583095803458309458039485093485 or just 3

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.