First, recall the following conversions between units:
![\begin{gathered} 1\text{ gallon }=4\text{ quarts} \\ 1\text{ gallon }=8\text{ pints} \\ 1\text{ gallon }=16\text{ cups} \\ 1\text{ gallon }=128\text{ ounces} \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/high-school/zkjf7bkl3a976b23wtuhawznx63b3xorpa.png)
Convert the capacity of each container available in the store to gallons:
2 pints of milk
![2\text{ pints}=2\text{ pints}*\frac{1\text{ gallon}}{8\text{ pints}}=0.25\text{ gallons}](https://img.qammunity.org/2023/formulas/mathematics/high-school/b266bju597g6cmi39msc15otdyxjjzmfy9.png)
2 quarts of orange juice
![2\text{ quarts}=2\text{ quarts}*\frac{1\text{ gallon}}{4\text{ quarts}}=0.5\text{ gallons}](https://img.qammunity.org/2023/formulas/mathematics/high-school/alzjbpa3blmm41ty64lp38px41rl135lnc.png)
16 cups of chocolate milk
![16\text{ cups}=16\text{ cups}*\frac{1\text{ gallon}}{16\text{ cups}}=1\text{ gallon}](https://img.qammunity.org/2023/formulas/mathematics/high-school/d8yx9ftszv4n6fe80tfvdxhk1zzqwxq999.png)
32 ounces of lemonade
![32\text{ ounces}=32\text{ ounces}*\frac{1\text{ gallon}}{128\text{ ounces}}=0.25\text{ gallons}](https://img.qammunity.org/2023/formulas/mathematics/high-school/imhm5m8rti6b8ujvifkh48i2kfgevecd8j.png)
Add up all the capacities to find the volume of beverages of buying 1 of each container:
![\begin{gathered} 2\text{ pints}+2\text{ quarts}+16\text{ cups}+32\text{ ounces} \\ =0.25\text{ gallons}+0.5\text{ gallons}+1\text{ gallon}+0.25\text{ gallons} \\ =2\text{ gallons} \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/high-school/ctlngaiiy7vhxggb5z3kzanidjv4hhkft3.png)
If Julius buys 2 containers of each beverage, then the amount of gallons will be twice the amount of buying 1 container of each beverage:
![2*2\text{ gallons}=4\text{ gallons}](https://img.qammunity.org/2023/formulas/mathematics/high-school/o5hy94zydr28r2rkq3ot3xf7atggkzq722.png)
Therefore, the amount of gallons of beverages that Julius bought is 4.