Solve the problem.How many liters of a 20% alcohol solution must be mixed with 50 liters of a 70% solution to get a 40% solution?
A. 125 L
B. 12.5 L
C. 7.5 L
D. 75 L
Answer: D
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Graph the equation using a graphing calculator.y = 0.934x - 2.341
A. 
B. 
C. 
D. 
Multiply.
A. 2394 B. 2384 C. 2494 D. 2404
Solve the equation.19s + 20 = 4s
A. 
B. - 
C. 
D. 
Solve the problem.Ron attends a cocktail party (with his graphing calculator in his pocket). He wants to limit his food intake to 
protein, 147 g fat, and 195 g carbohydrate. According to the health conscious hostess, the marinated mushroom caps have 3 g protein, 5 g fat, and 9 g carbohydrate; the spicy meatballs have 14 g protein, 7 g fat, and 15 g carbohydrate; and the deviled eggs have 13 g protein, 15 g fat, and 6 g carbohydrate. How many of each snack can he eat to obtain his goal?
A. 6 mushrooms, 4 meatballs, 9 eggs B. 9 mushrooms, 6 meatballs, 4 eggs C. 10 mushrooms, 7 meatballs, 5 eggs D. 4 mushrooms, 9 meatballs, 6 eggs