题型：单项选择题 On Monday, a certain animal shelter housed 55 eats and dogs. By Friday, exactly of the eats and of the dogs had been adopted; no new cats or dogs were brought to the shelter during this period. What is the greatest possible number of pets that could have been adopted from the animal shelter between Monday and Friday 查看答案
of the eats and 
of the dogs had been adopted; no new cats or dogs were brought to the shelter during this period. What is the greatest possible number of pets that could have been adopted from the animal shelter between Monday and Friday