Answer:
Inequality is y < 360
Step-by-step explanation:
Let y be the total cost of the vacation.
Now, since there are 3 persons in consideration and we want to keep the cost below $120 per person. Therefore, cost for each person is; y/3
Thus,representing this in inequality gives;
y/3 < 120
Multiplying both sides by 3 to get;
y < 360