The tables show the cost of different numbers of t-shirts ordered at two different stores, Store P and Store Q: Store P Number of T-shirts Cost (in $) 3 $18 6 $36 9 $54 Store Q Number of T-shirts Cost (in $) 2 $10 4 $20 8 $40 Which of these explains which store has a better buy? (5 points) Store Q, because the ratio of the number to the cost is 1:6 in Store P and 1:5 in Store Q Store Q, because the ratio of the number to the cost is 6:1 in Store P and 5:1 in Store Q Store P, because the ratio of the number to the cost is 3:21 in Store P and 2:12 in Store Q Store P, because the ratio of the number to the cost is 21:3 in Store P and 12:2 in Store Q