Answer:
44 students chose pizza over salad as their favorite food. Or 20% more chose pizza as their favorite food than salad.
Step-by-step explanation:
how many more students chose pizza than salad as their favorite food, if 220 people were surveyed? Salad 10% Sandwich 20% Hamburger 15% Pizza 30 % Hot dog 25%
First, you must find the percentages of each favorite food.
(e.g. What is __% of 220?)
Salad 10% = 22 people
Sandwich 20% = 44 people
Hamburger 15% = 33 people
Pizza 30 % = 66 people
Hot dog 25% = 55 people
This is correct because if you add the totals:
22 + 44 + 33 + 66 + 55 = 220 people
Next, you must find how many more students chose pizza than salad by subtracting.
Pizza 30 % = 66 people
Salad 10% = 22 people
So, 66 - 22 = 44
44 students chose pizza over salad as their favorite food. Or 20% more chose pizza as their favorite food than salad.