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Ok what is this 21/56=3/d what is d
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2 votes
Ok what is this 21/56=3/d what is d

User Plonetheus
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1 vote
d = 8

Hope this helps
User Ben James
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1 vote
21/56 = 3/d
21d = 168
d = 8

i am a mathematics teacher. if anything to ask please pm me
User Tom Norton
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