A workshop charges $\$9$ per participant. It has a fixed cost of $\$40$ and a materials cost of

Question

A workshop charges $\$9$ per participant. It has a fixed cost of $\$40$ and a materials cost of $\$4$ per participant. Capacity is $18$ participants. The organiser wants a profit of at least $\$35$. Find all possible whole-number participant counts and the greatest possible profit.

Accepted Answer

$15,16,17,18$ participants; Greatest profit $\$50$.

Linear Equations and Inequalities

Linear Equations and Inequalities

Solution:

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