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.
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Now cross-multiply and solve:
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