on a farm 2/7 of the cows were blacks , while 40 were white. find the total numbers of cow.
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let the total cows be x if 2/7x are black then white must be 5*7x
so total = 5/7x=40
5x=280
x=56.
the total no. are 56
so total = 5/7x=40
5x=280
x=56.
the total no. are 56
Shrandhvivishnoi1:
black cow 5/7 kaise
kyaa
are black cow 5/7 kaise nikala aapne
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