Question

a shopkeeper buys an item for 40% off the marked price. by what par can't should be increased the marked price so that even after allowing a discount of 20%, he makes a profit of 40%​

Answer 1

Step-by-step explanation:

$= p(1 + \frac{40}{100} )$

you use the formula

Answer 2

Answer:

20%

Step-by-step explanation:

LET THE MARKET PRICE WHEN HE BOUGHT BE 100

=100 - 40 (WHEN HE BOUGHT)

=60 + 40 (HIS GAIN)

=100 + 20 (DISCOUNT)

=120

SO 100% WAS INCREASED TO 120%

THEREFORE

=120 - 100

= 20%

hope it's helpful and if any mistakes then tell ok