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Train A averages 16 miles per hour, and Train B averages 24 miles per hour. At these rates, how many more hours does it take Train A than Train B to go 1,152 miles?

(A)20

(B) 24

(C) 40

(D) 48

(E) 72

If and bc= 7, which of the following statements must be true?

(A) a and bare directly proportional.(B) aand care inversely proportional.(C) aand d are inversely proportional.(D) band care directly proportional.(E) cand dare inversely proportional.

Correct Answer: C

In the following figure, what is the value of xin terms of y?

(A) 10y(B) 10y2(C) (D) (E)

Correct Answer: C

Pat's Pastries baked 80 apple pies and 50 loaves of apple bread to be sold at a 2-day Fall Festival. The pies were sold for $25 each and the loaves of bread were sold for $10 each. Which of the following expressions gives the total amount of money, in dollars, collected from selling all of the apple pies and B of the loaves of bread?

(A) 35B (B) 1,570B (C) B + 80 (D) 10B + 1,250 (E) 10B + 2,000

Correct Answer: E