Compare the prices for apples at these four markets and determine if they use proportional or non-proportional pricing. # of Apples 5 Total Cost $ of Apples Total Cost $ # of Apples Total Cost $ # of Apples Total Cost $ 10 15 20 2.25 4.50 6.75 9.00 5 185 2.60 5 2.10 10 3.70 10 5.00 15 20 5.25 7.00 15 20 7,20 9.20 10 4.20 6.30 15 20 8.40 A. P NP B. P NP C. P NP D. P NP
