P, Q and R are positive values. P is directly proportional to the square of Q when P = 0.7 and Q = 0.5.
Q is inversely proportional to R when Q = 6 and R = 0.2.
Work out the value of R when P = 179.2

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?