问题如下：
If the probability that Zolaf Company sales exceed last year’s sales is 0.167, the odds for exceeding sales are closest to:
选项：
A.1 to 5.
B.1 to 6.
C.5 to 1.
解释：
A is correct.
Given odds for E of a to b, the implied probability of E = a/(a + b). Stated in terms of odds a to b with a = 1, b = 5, the probability of E = 1/(1 + 5) = 1/6 = 0.167. This result confirms that a probability of 0.167 for beating sales is odds of 1 to 5.
老师，这个题目我用0.167/(1-0.167)=0.200480,最接近于1 to 5，所以选对了，我这个没问题吧？但是这个答案的解析有点看不懂，麻烦帮我解答一下吧，谢谢！
