every day, katie looks for seashells on the beach. She has 28 shells in her collection. Katie finds 12 more shells each day. Wri
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Paul surely charges 75 dollars, and then he adds 40 dollars per hours. This means that the expression for the money he asks is
where is the amount of money and
is the number of hours.
Since can be at most 8, this is the case that generates the highest money, so if we plug
we have