Last Sunday a certain store sold copies of newspaper A for $1.00 and B for$1.25 each. If "r" percent of the stores revenue from newspapers sales was from Newspaper A and if "p" percent of the newspaper that the store sold were copies of newspaper A, which of the following expresses r in terms of p?
A. 100p/125-p.
B. 150p/250-p.
C. 300p/375 -p.
D. 400p/500-p.
E. 500p/625-p.