A ratio shows us the number of times a number contains another number. The correct option is C.
A ratio shows us the number of times a number contains another number.
For winning less than $10, a person needs to take out a green ticket or a yellow ticket. Therefore, the odds against winning less than $10 are,
(Number of blue tickets) : (Number of green and yellow tickets)
5: 30
1: 6
Hence, the correct option is C.
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