Asked by Goldfish

A survey about the student government program at a school finds the following results:

190 students like the program

135 students think the program is unnecessary

220 students plan on running for student government next year

if a circle graph were made from this data, what would the measure of the central angle be for the group that likes the program? Round your answer to the nearest whole number.
Answered by Reiny
Hard to tell
Could be all kinds of overlap in your data
e.g. If 190 like the program and 135 don't think the program is necessary, are there students
who couldn't care less either way?
Of the 220 students who plan on running for student government next year, how many like the program, don't think it is necessary, or don't care
Answered by Goldfish
Exactly. I really didn't understand this question.
Answered by ✨✨french baguette man ✨✨
Okay so i think i know how to do it? idk if this is right but basically

I did cross-product (n/100 = 190/545)
545n = 19000
divide both sides by 545

that leaves us with a decimal (34.86238532)
The instructions say to round to the nearest whole number (35)
That's our percentage.
Next, take 35 and divide it by 100, which gives us 0.35
We multiply that by 360 (cause it's a circle graph, and circles are always 360 degrees) and we end up with 126(degrees)

that'll be your answer (hopefully? i mean, i'm not completely sure but this is my best guess honestly)
Answered by billy bob
your doing magic math
Answered by ✨✨french baguette man ✨✨
...i have no idea what that's supposed to mean, but my answer was correct, so....
Answered by goodog
but...where did you get the 545 from
Answered by goodog
@oobleck says "190/(190+135+220) * 360° = 125.5°" which makes a lot more sense. You somehow add in 545 in there. I'm using ooblecks answer. I'll be back soon to tell you who was right *as soon as my teacher grades it*.
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