Use the formula d = ( r − c ) t to find c if d = 30 , r = 12 , and t = 5 .

C=

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

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Which of the following statements must be true about this diagram? check all that apply. x°, y°, z°, & w°