It is 1996. sara is watching her favorite video, wearing her favorite s wich. she paid $15.98 for the video, $30 for the sweatshirt and $1.99 for the sandwich weatshirt and eating a sand. a. what were sara's total expenditures for the three goods? b. how many yen would a japanese tourist have exchanged to purchase the same products? c. how many canadian dollars would a canadian tourist have exchanged? d. how many pounds would a british tourist have exchanged?

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome