Aschool wants to add a new sports team. the school sent out surveys asking for the students' favorite sport. twelve students named lacrosse. others named swimming or volleyball. explain how to use the circle graph and ratios to find the number of students surveyed. then find this number. swimming 36% lacrosse 48% volleyball 16% . : (

Total 100% or 25 students

Swimming 36%  or 9 students

Lacrosse 48%  or 12 students

Volleyball 16% or 4 students

Step-by-step explanation:

To do a circle graph, you draw a circle and divide it into all sections.

To know the size of each section, you need to know the total number of every category.

You could draw it with percent.

100% is total, and you know the percent of each sport.

They told you 12 students choose lacrosse so, this represents 48%.

Now, you can find the other numbers with cross-multiplication.

48%12

100%X=

X=(100x12)/48=25

Total students: 25

Students that named lacrosse: 12 or 48%

100%25

16%X=

X=(16x25)/100=4

Students that named Volleyball: 4 or 16%

100%25

36%X=

X=(36x25)/100=9

Students that named Swimming: 9 or 36%

To confirm: 12 + 9 + 4 = 25

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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step-by-step explanation: