X=4-k over 6, what is k

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?