Shoe Sale--Mr. Mancini has noticed that there is competition for his Air Mancinis™, so Mancini Mart is now selling shoes for a discounted price:
a) Paulet decides to buy 9 pairs of Air Mancinis™ for herself and relatives. Find the total cost and explain your reasoning.
#1: Accurately computes and identifies constant of proportionality
#2: Accurately uses constant of proportionality to extend pattern