Question

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Elizabeth's asked 40 students at her school to name the first kind of pet they ever had. She made this circle graph below to display the responses.

How many more students on dogs than on Kath as their first pet?
A. 3
B. 7
C. 9
D. 12​

Answer 1

Answer: the answer is 3

Explanation:

Answer 2

A. 3

Explanation:

Fist, we need to figure out how many students said "dogs" and how many said "cats".

30% of 40 is...

40 x .30 = 12.

12 people said dogs.

22.5% of 40 is...

40 x .225 = 9

9 people said cats.

If 12 people said dogs, and 9 people said cats, then 3 more people said dogs than cats.