if 18 cows can graze a feild in 20 days ,how many cows can graze the same feild in 20 days
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M1 x D1 / D2 = M2
18 x 20 / 20 = M2
18 = M2
arsh4721:
i cant understand
M1 means no. Of man. D1 means no. Of day. M2 means another no.of MA . D2 means another no.of days
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