Question

the selling price of 12 pens is equal to the cost price of 15 pens find the gain percent

Answer 1

Gain % = 3/12 x 100

=25%

ok

mark me as brainliest plz.........................

Thank u

Answer 2

12×sp= cp× 15
sp/CP= 15/12
in this case sp/CP= 5/4
profit so gain% = 100× (5-4) / 4
gain% = 25 % is correct answer
hope you understood it dear
mark as brainlist