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Mathematics 7 Online
OpenStudy (anonymous):

help plz

OpenStudy (anonymous):

OpenStudy (matlee):

20 takes 5 times to get to 100% so that means since theres only 1 80 then you would ned to set up a fraction

OpenStudy (matlee):

\[\frac{ 20 }{ 100 } = \frac{ 80 }{ ? }\]

OpenStudy (matlee):

Cross mutiply diagnlly across , so what is 20 times the question mark

OpenStudy (anonymous):

it was 400 th answer

OpenStudy (matlee):

Yes is that what you got?

OpenStudy (anonymous):

yeah answer 330 mistakes lol =(

OpenStudy (matlee):

O lol.

OpenStudy (anonymous):

OpenStudy (anonymous):

13

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