The cost, c, of ground beef varies directly with its weight in ounces, w. if 16oz of ground beef cost $3.20, what is the equation that would allow you to find the cost of any weight of ground beef?
a. c=0.2w
b. c=3.2w
c. c=5w
d. c=8w

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?