I have the following problem, that may be very simple, though I'm not quite sure.
MY ATTEMPT
Well, if we interpret all the sum of the delays as the period of the oscillation then the answer becomes awfully simple (maybe too easy).
\$f=\frac{1}{T}=\frac{1}{15 \text{ns}+15\text{ns}+15\text{ns}+10\text{ns}+15\text{ns}}=14.286 \text{MHz} \$
I arrive at an answer of 14.29MHz. However, this solution seems way too easy and simple, so I'm wondering if I am understanding the problem correctly?
Can anyone help me tell me if I am on the right track, or if I am way off?