half of a herd of cows are grazing in the plot and 3/4th of the remaining are playing nearby. the rest 9 are drinking water from the pond .find the number of cows in the herd
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let the numbers of cows be x
x/2are grazing
x/2*3/4=3x/8
remain is 9
atq
x/2 +3x/8+9=x
4x+3x+72/8=x
7x+72=8x
x=72
x/2are grazing
x/2*3/4=3x/8
remain is 9
atq
x/2 +3x/8+9=x
4x+3x+72/8=x
7x+72=8x
x=72
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