Question

3 dozen eggs cost rupees 19 find the cost of 22 eggs

Answer 1

1 dozen = 12 

3 dozen = 3*12 = 36

cost of 36 eggs = 19

cost of 1 egg = 19/36

then 

cost of 22 eggs = (19*22)/36

cost of 22 eggs = 19*11/13

cost of 22 eggs = 16.07

Answer 2

cost of 22 eggs is 16.08