Answer:
B. 81 weeks
Step-by-step explanation:
If we plug everything into the equation it should look like this:

Then we would subtract 1 from both sides, then we are left with <em>w:</em>
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<em>Hope this helps!</em>
Answer:
Hi please mark me as brainliest
Step-by-step explanation:
It's A
There are 47,51,53,59,61,67,71, that is, 7 primes.
I believe the answer is C