Problema Solution
the art club at Lily's school has had 300 calendars printed to sell as a fundraiser. it costs the art club$4 per calendar to have the calendars printed and the club sells them for $10 per calendar. the art club's profit P(n) is given by the following function, where n represents the number of calendars sold.
P(n) = 10n - 1200
what does the term "10n" represent? what are its units? Explain your reasoning using unit analysis.
Answer provided by our tutors
4*300 = $1,200 is the cost for making 300 calendars.
n represents the number of calendars sold.
10n is the revenue for selling n calendars.
Since Profit = Revenue - Cost we have the equation:
P(n) = 10n - 1,200
The units are dollars ($).