a man purchased some eggs at3for rs 16and sold them at 5for rs36.thus he gained rs168 in all. how many eggs did he purchase?
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let egg be x.
cp of 1 egg is 16x/3
sp of 1 egg is 36x/5
net gain 36x/5-16x/3=168
he brought 90 eggs
cp of 1 egg is 16x/3
sp of 1 egg is 36x/5
net gain 36x/5-16x/3=168
he brought 90 eggs
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