A recycling firm collected recycling statistics for three cities, A, B, and C. The percentage of the total number of residents in each city is 45% in A, 30% in B, and 25% in C. The percentage in each city that recycles is 12% in A, 18% in B, and 30% in C. Of those that recycle, the percentage that recycles milk jugs is 4% in A, 8% in B, and 40% in C.
a. What percentage overall recycles?
b. What percentage overall recycles milk jugs?
c. Of those who recycle, what percentage recycle milk jugs?