 
<translate> Tunanin: Takalma na biyu ya fi $11 tsada. Wannan yana nufin cewa farashin biyu na biyu shine 22 + 11 = $ 33. Saboda haka, Nina ta biya 33 + 22 = $55. <eng> Reasoning: The second pair of shoes was 50 / 100 * 22 = $11 more expensive. That means that the second pair's price was 22 + 11 = $33. So for both pairs of shoes, Nina paid 33 + 22 = $55. 