 
 <translate> For the tuna Barbara needed to pay 5 * 2 = $10. For the four bottles of water, she needed to pay 4 * 1.5 = $6. On different goods Barbara spend 56 - 10 - 6 = $40. The final answer: 40. <hau> Don kifin tuna Barbara tana bukatar ta biya 5 * 2 = $10. Ga kwalabe huɗu na ruwa, tana bukatar ta biya 4 * 1.5 = $6. A kan kayayyaki daban-daban Barbara ciyar 56 - 10 - 6 = $ 40. Amsar ƙarshe: 40. 