3C:
175 people chose caesar.
50 people chose taco.
65 people chose garden.
125 people chose chef.
85 people chose spinach.
3D:
20 more people chose spinach than garden.
4A:
The bake sale made 20 percent of the total.
The car wash made 30 percent of the total.
The book sale made 35 percent of the total.
The plant sale made 15 percent of the total.
And I can't help you with 4B.
