Respuesta :

areisrobert

Step-by-step explanation:

SP=?

L%=15%

CP=$20

WE KNOW,

L= L%/100×CP

L= 15/100×20

L= 15/5

L= 3

NOW,

L = CP-SP

Or, 3 = 20 - SP

Or,SP= 20 -3

SP=RS 17

Himanshimeerwal09

Answer:

book price= $20

15% of $20= $3

$20 -$3 = $17

sold book price = $17