Question

a shop keeper gives two successive discounts of 40% and 30% on an article. find the equivalent a single discount on the article ​

Answer 1

Answer:

58

Step-by-step explanation:

let the mp be rupees 100 discount one will be equal to 60 and when the second discount will be calculated it will be equal to 42 2 and the single equivalent discount will be hundred minus 42 will be equal to 58

Answer 2

Answer:

equivalent discount of 40% and 30% =58%

Step-by-step explanation:

Formula for successive discount=.

x+y+x*y/100

where x and y are successive discount

discount must be taken in negative in this formula

Here x=. -40 (minus show discount)

y=. -30

so equivalent discount for 30% and 40% =

-40-30+(-40)*(-30)/100

-70+(1200/100)

-70+12

58%