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Mathematics 18 Online
OpenStudy (anonymous):

Which ratio is NOT equilvalent to 6/16? A. 3/8 B. 15/40 C. 24/54 D. 60/160

OpenStudy (m):

C?

OpenStudy (anonymous):

need an explanation plz dont guess.

OpenStudy (anonymous):

if you devide (top)/(top) you should get the same answer as (bottom) / (bottom) A:\[{6\over3} = {16 \over 8} = 2\] B:\[{6\over15} = {16 \over 40} = {2 \over 5 } = 0.4\] C:\[{6\over24} \neq {16 \over 54} \rightarrow \rightarrow {1 \over 4} \neq {8 \over 27}\] D:\[{6 \over 60} = {16 \over 160} = {1\over 10} = 0.1\]

OpenStudy (anonymous):

so which one is NOT equivalent?

OpenStudy (m):

pfft was more than a 'guess' :)

OpenStudy (anonymous):

MathMind, I wasn't in class today when my teacher was explaining this.....soo......I really don't know..

OpenStudy (anonymous):

did you look at my explanation? lol

OpenStudy (anonymous):

YEP! :) dont get in -_- haha :)

OpenStudy (anonymous):

it* i mean

OpenStudy (m):

the ratio has to be the same. plug in the answers in your calculator it will give you .375 for all except C which is .444

OpenStudy (anonymous):

.....

OpenStudy (m):

take a look at the first one. if you multiply top and bottom of 3/8 by 2 then you get 6/16 which is equivalent

OpenStudy (m):

that means the ratio is the same.

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