Respuesta :
Answer: 48 cars washed yesterday.
Step-by-step explanation:
Given : An automatic car wash uses [tex]\dfrac{5}{8}[/tex] gallon of soap on each car that is washed.
Yesterday,the ,car wash used a total of 30 gallons of soap.
Then, the number of car washed yesterday is given by :-
[tex]30\div\dfrac{5}{8}\\\\=30\times\dfrac{8}{5}=48[/tex]
Hence, 48 cars washed yesterday.