Lisa is examining a two-way table representing the sales of juice packaged in bottles with an old or new label. In the table, p, q, r, and s are the number of bottles sold or left on the grocery store shelf last Thursday. Sales of Juice Bottles Sold Left on the Shelf New Label p q Old Label r s Comparing which two values will determine whether the new label had an impact on sales?
Answer
A
p and r
B
p and q
C
the fraction with numerator p and denominator p plus q and the fraction with numerator r and denominator r plus s
D
the fraction with numerator p and denominator p plus r and the fraction with numerator q and denominator q plus s