The most common women’s shoe size in the U. S. is reported to be an 8 1/2 . A shoe store uses a table like the one below to decide how many pairs of size 8 1/2 shoes to buy when it places a shoe order from the shoe manufacturers. What is the ratio of the number of pairs of size 8 1/2 shoes the store orders to the total number of pairs of shoes being ordered

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Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?