Question

if the selling price of 16 water bottels is equal to the cost price of 17 water bottels ,find the gain percent​

Answer 1

Step-by-step explanation:

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%

Answer 2

Step-by-step explanation:

Let the selling price of each bottle be y.

Let the cost price of each bottle be x.

According to the question,

16y=17x

=》 y / x = 17 / 16

=》 Gain % = ( y/x - 1 ) × 100

=》 ( 17 / 16 - 1 ) × 100 = 6 . 25 %