 
 <translate> Final number = original number - 30%(original number) = 50 - 30%(50) = 50 - 15 = $35. The answer: (B). <hau> Lambar ƙarshe = lambar asali - 30% ((lambar asali) = 50 - 30% ((50) = 50 - 15 = $ 35. Amsar ita ce: (B). 