on a farm, 2/7 of cows were black, while the rest 40 is white. Find the total no. of cows
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No. of white cows = 40 and black =2/7
means,
white cows 7-2=5
Then,
white cows, 40/5 = 8 and black cows = 2/7
means,
black cows were 2×8 = 16
Now we obtain,
black cows = 16 and white cows = 40
So total no. of cows = 16+40
= 56 cows
means,
white cows 7-2=5
Then,
white cows, 40/5 = 8 and black cows = 2/7
means,
black cows were 2×8 = 16
Now we obtain,
black cows = 16 and white cows = 40
So total no. of cows = 16+40
= 56 cows
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