Question

a book marked 4s 250 was sold for rd 200 after discount the percentage of discount is​

Answer 1

Answer:

20

Step-by-step explanation:

discount=50rs

discount percent= 50/250*100

=20

Answer 2

Answer:

20/-1

Step-by-step explanation:

mp-d=sp

250-x% of 250=200

250-x/100*250=200(divide 100 and 250)(equate i.e take LCM to subtract)

500/2-5x/2=200

-5x/2=200-500/2

-5x/2=400/2-500/2

x=100*2/2*-5