Question

A boy buy eggs at the rate of 14.40 per dozen and
sells them at the rate of 3 for 4. What does he
gain percent?
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Answer 1

Answer:

cost price for 1dozen egg=14.40

selling price for 3 egg=4

selling price for 1 egg=4/3

selling price for 12 egg=4/3*12= 16

gain= 16-14.40= 1.60

gain %= 1.60/14.40 *100

=160/1440*100

=100/9%