Last sunday a certain store sold copies of newspaper a for $1.00 each and copies of newspaper b for $1.25 each, and the store sold no other newspapers that day. if r percent of the store’s revenues from newspaper sales was from newspaper a and if p percent of the newspapers that the store sold were copies of newspaper a, which of the following expresses r in terms of p?
a. 100p(125–p)100p(125–p)
b. 150p(250–p)150p(250–p)
c. 300p(375–p)300p(375–p)
d. 400p(500–p)400p(500–p)
e. 500p(625–p)