Question

if 5 eggs cost rupees 60 how many eggs can be bought for Rs 128

Answer 1

$1 \: egg \: costs \: rs \: \frac{60}{5} = 12 \\ no \: of \: eggs \: bought \: for \: rs \: 128 = \frac{128}{12} = 10 \frac{2}{3} \\ 10 \: eggs \: can \: be \: bought.$

Answer 2

In 60 Rs. 5 eggs can be bought.
In 1 Re.=5/60 eggs can be bought.
so,in 128 Rs.=(5/60)×128 eggs could be bought.
=(1/12)×128eggs cpuld be bought.
=approx 10 eggs could be bought.