Answer:
1/2
Explanation:
If the whole fraction is equal to 1, then:
= 1 - 1/3 - 1/6
= 1 - 2/6 - 1/6
= 6/6 - 2/6 - 1/6
= 4/6 - 1/6
= 3/6
= 1/2
There is still 1/2 of the book Rick has left to read.
Hope it helps. Thanks!
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