Question

if the selling price of 16water bottles is equal to the cost price of 17water bottles, find the gain per cent earned by the dealer.​

Answer 1

Answer:

Let the selling price of each bottle be y.

Let the cost price of each bottle be x.

According to the question,

16y=17x

⟹

x

y

=

16

17

Gain %=(

x

y

−1)×100

⟹Gain %=(

16

17

−1)×100=6.25%