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OpenStudy (anonymous):
The ratio 21:28 in simplest form is 4:3 3:4 3:5
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OpenStudy (unklerhaukus):
do you know a common factor of 21 and 28?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
3?
OpenStudy (unklerhaukus):
check you times tables,
OpenStudy (unklerhaukus):
28 does not divide evenly by three
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OpenStudy (anonymous):
7?
OpenStudy (unklerhaukus):
yeah
OpenStudy (anonymous):
so its 3:4?
OpenStudy (unklerhaukus):
yes!
OpenStudy (anonymous):
oh ok thnx:))
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