Yes, the boat can communicate with the diver.
See the attached picture for the solution:
1/6th because he used half of a whole part. You just multiply the fraction by 2 and count how many parts are flowers in the whole garden afterward :)
Drawing it out helps too! Good luck!
For the last part, you have to find where
attains its maximum over
. We have

so that

with critical points at
such that





So either

or

where
is any integer. We get 8 solutions over the given interval with
from the first set of solutions,
from the set of solutions where
, and
from the set of solutions where
. They are approximately






Step-by-step explanation:
answer is c
hope it helps
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