Question

a cost of notebook RS45 and discount of notebook is 20% fibd that discount rate​

Answer 1

hère is your answer mate....

thé discount raté Will be 45-(20% of 45)

then 45/100 ×20 = 9.5

Thén thé raté after discount Will be...

45-9.5 = Rs35.5 ..

hope this helps you....mark as brainliest

Answer 2

Discount rate of notebook :)
20/100 ×45 = 9rs
so the 9 rs off in 45 rs note book then the discount rate is 45-9 = 36rs