单选题
At Leo's Lumberyard, an 8-foot long wooden pole costs $3.00. At this rate, what is the cost, in cents, of a pole that is 16 inches long?
(A) 0.5
(B) 48
(C) 50
(D) 64
(E) 96
【正确答案】
C
【答案解析】This is a relatively simple ratio problem, but use TACTIC 7 and make sure you get the units right. To do this you need to know that there are 100 cents in a dollar and 12 inches in a foot. [*]