155. 16166-!-item-!-187;#058&010984
A certain brand of gasoline costs $1.25 per gallon. Using this gasoline, if a car averages 30 miles to the gallon, what is the cost of the gasoline needed for the car to travel 120 miles?
(A) $4.50
(B) $5.00
(C) $5.50
(D) $6.00
(E) $6.50
又是一道我认为极其简单的事... 1.25*4=6.....
结果答案是B....
这是为什么????
请教啊请教~
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