Question

Plzz do 11th question.....

urgent!!!!!

Answer 1

from the above working it is clear that 2nd seller gives more discount

Answer 2

2 ND dealer has better offer

let the price of article be x
case1
15%discount
x 15/100
3/20x
5%discount
3/20×5/100
3/400x
so remaining 397/400x

case2

20%discount
20/100x
x/5
so remaining 4x/5
but 4x/5is greater than 397/400x
so second dealer has better offer