Problem: if the a radio is sold for rs 490 and sold for rs 465.50 . find loss % .
Rationale: "sol . cp = rs 490 , sp = 465.50 . loss = rs ( 490 - 465.50 ) = rs 24.50 . loss % = [ ( 24.50 / 490 ) * 100 ] % = 5 % answer is b ."
annotated_formula: multiply(divide(subtract(490, 465.50), 490), const_100)