We have
1 spice rack ----- 6 shelves
1 shelf ---- 15 spice jar
First, we need to know the number of shelves, so we will divide 2250 between 15
![(2250)/(15)=150](https://img.qammunity.org/2023/formulas/mathematics/college/xnecfiqyermre4ntilch63cagjrt81el86.png)
We will need 150 shelves for 2250 spice jars
Then we need to know the number of spice racks, so we need to divide 150 between 6
![(150)/(6)=25](https://img.qammunity.org/2023/formulas/mathematics/college/d5pr7cfrjopgdpj8oo9mbeo1zstsqlsvtp.png)
We will need 25 spice racks for 2250 spice jars