54.6k views
4 votes
When Henry surveyed 45 seventh-grade students at random in the school cafeteria, he found that 3 out of 15 liked reggae music. Using proportional reasoning, about how many of the 180 seventh-grade students in his school like reggae?

2 Answers

4 votes

Answer:

Its B: About 36 seventh-grade students like reggae music.

Explanation:

edge

User David Lane
by
7.8k points
1 vote
3 x
---------= --------- ---------
15 180

15x=540
----- ------= 36 students.
15 15

Steps: Cross multiply to get 15x and 540. Divide both numbers by 15, then you found what x equals, which is the answer.

No related questions found