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Mathematics 21 Online
OpenStudy (anonymous):

I need to know if 70 counter is equal to 7/9 how much do counters do I need to make a whole

OpenStudy (anonymous):

use simple unitary method 70 counters is 7/9 1 counter is 1/90 so u need 90 counters to make a whole

OpenStudy (anonymous):

Thank you Metarock

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