If the dolphins are fed half a bucket of fish then half of that would be a quarter, therefore the sea otters are fed 1/4 of a bucket.
Answer:
I'm pretty sure it's the last one !
Step-by-step explanation:
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If

then we also have

Pairing up the terms, we can find that


consists of
terms, so there are
copies of
in the sum
. Then we find an immediate closed form for the sum:

Her present age would be 5 because 4m=m+5 which would then turn into 3m=15 because you would subtract the m from both sides and end up with 3m+15, then you would divide 3 to both sides which would then give u an answer of m=5