Roberta takes $158 with her on a shopping trip to the mall. She spends $45 on new shoes, $17 less on a new bag, and a quarter of the price of the bag for lunch. How much money does she have left after these purchases? Give me reasons, before answering the question
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Roberta's bag costs $45 - $17 = $28. Roberta spend $28 / 4 = $7 on lunch. Roberta spend 45 + 28 + 7 = 80 in total. Roberta has $158 - 80 = $78 left. So the final answer is 78.
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