Tina goes to the store to purchase some CDs and DVDs. CDs cost $15 and DVDs cost $18. Whic

h of the following expressions gives the total amount of money, in dollars, Tina will pay for purchasing 2 of the CDs and D of the DVDs？

______15+D

______30+18D

______18+D+30

______D(18+15)

提问人：网友qhdfzc 发布时间：2022-01-06

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