单项选择题

If Tom traveled 45 miles in 12 hours and Jim traveled four times as far in one-third the time, what was Jim’s average speed, in miles per hour

(A) 5
(B) 15
(C) 30
(D) 45
(E) 90
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单项选择题
A. if the quantity in Column A is greater;B. if the quantity in column B is greater;C. if the two quantities are equal;D. if you cannot determine the relationship based on the given information
A. if the quantity in Column A is greater;
B. if the quantity in column B is greater;
C. if the two quantities are equal;
D. if you cannot determine the relationship based on the given information
单项选择题
In 1970, if the cost to produce one widget was $0.07, what would have been the total cost to produce the number of widgets sold during that year
A．$1,540
B．$14,000
C．$20,650
D．$22,750
E． $34,300
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