Question

egg cost rs. 13 per dozen how much will a 18 egg cost

Answer 1

1 dozen= 12
cost. of 12. eggs = 13 Rs

$cost \: of \: 1 \: \:egg \: = \frac{13}{12}$

$cost \: of \: 18 \: eggs \: = \frac{13}{12} \times 18$
=
19.5

Answer 2

$<b><I>$

1 dozen