Exhibit.

Which country has the least percent of inland water area?

A carton of paper weighs 13 kilograms, and a box of file folders weighs 8.5 kilograms. A truck was loaded with 9 cartons of paper and 24 boxes of file folders.
What was the total weight, in kilograms, of the cartons of paper and boxes of file folders loaded onto the truck?

Biologists tagged trout and released them into a new man-made lake. The numbers of trout by gender and species are shown in the table below.

Later, biologists will net and inspect 50 of the tagged fish and re-release them into the lake.
If the netting captures fish randomly and all of the fish remain in the lake, approximately how many of the 50 fish are likely to be speckled trout?

Tara earns $460 for working 40 hours a week. This week she also earned $69 in overtime pay and a bonus of $75 for meeting her weekly production quota. Withheld from her pay were $86 for taxes and $18 for insurance.
Which of the following expressions represents the number of dollars Tara received in her paycheck this week?

In a survey, the ratio of the number of credit cards held to the number of people was 5.8 to 1.
If 1421 credit cards were held, how many people were in the survey?