<PRE><B>Question 540807</B>
a, b and c are the chances of horses a, b and c winning.&lt;P&gt;
 a=2b
b=2c
c=c&lt;P&gt;
Since a is twice as likely to win as b, a can be expressed as 2*2c = 4c&lt;P&gt;
They all add up to 100.&lt;P&gt;
4c + 2c + c = 100&lt;P&gt;
7c = 100&lt;P&gt;
c = 100/7 = 14.2857 = 14.29%&lt;P&gt;
b = 2 * 14.2857 = 28.57&lt;P&gt;
a = 4c = 4*14.2857 = 57.14
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