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Mathematics 17 Online
OpenStudy (ggalday000):

Mr. Caldwell has 28 students in his class and 12 of them are boys. What is the ratio of girls to boys? A. 3 : 4 B. 4 : 3 C. 7 : 4 D. 4 : 7

OpenStudy (littlediva12459):

first take 28-12 what is your answer

OpenStudy (ggalday000):

16

OpenStudy (littlediva12459):

so that means there are 16 girls right

OpenStudy (ggalday000):

yay

OpenStudy (littlediva12459):

so it would be 16:12 then simplify

OpenStudy (littlediva12459):

and your answer would be?

OpenStudy (anonymous):

16 : 12 can be written as 16/12...now reduce

OpenStudy (ggalday000):

well if you semplifiy that by 2 each you would get 8:2 right wich is not on the answer choice

OpenStudy (littlediva12459):

simplify by 3

OpenStudy (anonymous):

by 4

OpenStudy (ggalday000):

you cant simplify by 4 for all because 4 does not go in to 16 right

OpenStudy (ggalday000):

and you cant siplify that by 2 either so?

OpenStudy (littlediva12459):

if you simplify be 3 you get 4:3 so for every 4 girls there are 3 boys

OpenStudy (ggalday000):

oh ok that is true Right?

OpenStudy (littlediva12459):

yes

OpenStudy (anonymous):

16/12 = 4/3...or 4:3

OpenStudy (ggalday000):

ok thx

OpenStudy (littlediva12459):

No problem feel free to tag me if you need more help

OpenStudy (ggalday000):

ok thx

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