I graphed it out and it seems that both A and C are correct. I would check them to make sure.
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The answer is 5/16 you're welcome
5/8 x 1/2 = 5/16
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(1/6)/ 1.5 =
(1/6)/(15/10)=
1/6*10/15=10/90=1/9 width</span>