Answer:
Option 3
Step-by-step explanation:
First, you want at least 3 items for each guest. There are 35 guests, so the total amount of items, represented by x+y, must be >= 35*3=105
Next, you cannot spend more than $150, so the total price, represented by 1.3x+1.2y, must be <= 150
Option 3 fulfills both
