Answer:
36%
Step-by-step explanation:
[tex] \frac{is}{of} \: \: \frac{\%}{100} [/tex]
[tex]27 + 48 = 75 \: tol \: drinkss[/tex]
[tex]27 \: drinks \: were \: regular[/tex]
[tex] \frac{27}{75} \: \frac{\%}{100} [/tex]
[tex]27 \times 100 = 2700[/tex]
[tex]75\ \: \: \%[/tex]
[tex]2700 \div 72 = 36[/tex]
