The area of the warehouse is
Half of this area stock paint, cans and rims:
thats because the heigth of the stock room is equal to 20 ft.
On the other hand, we know that there are 2 cans in a box which volume
and a rim is inside a box with measures
Then, we need to find the ratio V_total to V_stock in order to find the number of rims in the room.
Then, V_total is the sum of 4 times the volume of one can plus the volume of 1 rim, that is,
because we need 4 cans and 1 rim in our room. This total volume is given by
which gives
The last step is convert the V_total from cubic inches to cubic feets. We can do that by means of
because 1 feet is equal to 12 inches. It yields,
Finally, we can find the ratio mentioned above:
By rounding down to the nearest interger, the ratio is 556. This means that we can stock 556 rims in the warehouse.