Question

anu bought buttons on at 5for 2.how much did the shop keeper sells for of if he gained 20%

Answer 1

she bought 5 rupees for 2
so 5/2=2.5
the shopkeeper gained 20%
so,2.5x20/100=0
if he gained 20%
the total price is of 1 button is 2.5+0.5=3.0
then,the total 2 buttons price =3.0x2
6.0