PRACTICE PROBLEMS Write each ratio 3 ways

#1 There are 5 cats for every 4

dogs at the animal shelter. What is the ratio of dogs to cats?

#2 In band, there are 3 woodwinds for every 1 percussion

player. What is the ratio of woodwinds to percussion players?

#3 In Kelsey’s pencil case, she has 2 highlighters for every 7 pencils. What is the ratio of pencils to highlighters?

#4 In the bag, there are 19 green marbles for every 11 blue marbles. What is the ratio of green marbles to total

marbles?

#5 At the aquarium, there are 200 fish for every 1 shark. What is

the ratio of sharks to fish?

#6 The recipe calls for 2 cups of flour for every cup of sugar.

What is the ratio of sugar to flour?

#7 Each supply bin has 4 bottles of glue and 3 pairs of scissors. What is the ratio of total supplies to bottles of glue?

#8 Last year Anna read 20 books. 5 were non-fiction, 7 were graphic novels and 8 were mystery novels. What is the ratio of graphic novels to total books?

In a study of the relationship between socio-economic class and unethical behavior, 129 university of california undergraduates at berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. they were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. after completing some unrelated tasks, participants reported the number of candies they had taken. it was found that those who were identiď¬ed as upper-class took more candy than others. in this study, identify: (a) the cases, (b) the variables and their types, (c) the main research question, (d) identify the population of interest and the sample in this study, and (e) comment on whether or not the results of the study can be generalized to the population, and if the ď¬ndings of the study can be used to establish causal relationships.