At the convenience store magazines cost x dollars each, sodas costy dollars each, and candy bars cost zdollars each. The amount of money Martha had leh after purchasing items from the convenience store is represented by the following expression. 19.39-(ay+bx) Which of the following is the best interpretation of a? A. The number of magazines Martha purchased at the convenience store. B. The number of candy bars Martha purchased at the convenience store. OC. The number of sodas and magazines Martha purchased at the convenience store. OD. The number of sodas Martha purchased at the convenience store.

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Pergunta

At the convenience store magazines cost x dollars each, sodas costy dollars each, and candy bars cost zdollars each. The amount of money Martha had leh after purchasing items from the convenience store is represented by the following expression. 19.39-(ay+bx) Which of the following is the best interpretation of a? A. The number of magazines Martha purchased at the convenience store. B. The number of candy bars Martha purchased at the convenience store. OC. The number of sodas and magazines Martha purchased at the convenience store. OD. The number of sodas Martha purchased at the convenience store.

Answer 1

resposta correta é a opção D. O valor 'a' na expressão representa o número de refrigerantes que Martha comprou na loja de conveniência. Isso é indicado pelo fator 'a' multiplicado pelo custo de um refrigerante, que é representado por 'y' na expressão. Portanto, 'a' representa o número de refrigerantes que Martha comprou na loja de conveniência.

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