Final answer:
To model the number of months that Weasley can afford to be a member of the health club, set up the inequality 75x ≤ 300 and solve for x. Weasley can afford a maximum of 4 months at the health club.
Step-by-step explanation:
To model the number of months that Weasley can afford to be a member of the health club, we can set up an inequality. Let's say x represents the number of months.
The membership fee is $75, so Weasley can afford to pay $75x.
We know that Weasley has $300 to spend, so the inequality will be:
75x ≤ 300
To find the maximum number of months Weasley can afford, we need to solve the inequality. By dividing both sides of the inequality by 75, we get:
x ≤ 4
Therefore, Weasley can afford a maximum of 4 months at the health club.