GRE考试

解析：These exercises are designed to

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【分析解答题】
These exercises are designed to help you apply the mathematics concepts just covereD、They are not in GR
E、format, but should help you to identify your areas of strength and weakness in these areas.

Translating Word Problems
These questions will test your ability to locate relevant mathematical information in word problems.
Place an X next to the correct expression in the questions below.
E、border=0 cellSpacing=0 cellPadding=0 width="100%">Tina goes to the store to purchase someCDs andDVDs.CDs cost $15 andDVDs cost $18. Which of the following expressions gives the total amount of money, in dollars, Tina will pay for purchasing 2 of theCDs andD、of theDVDs
______15+D
______30+18D
______18+D+30
______D(18+15)
网考网解析：
试题答案： 答案解析：The first step is to calculate the total cost of the CDs: 2(15)=30. You are given that, in addition to the 2 CDs, Tina also purchases D of the DVDs, each of which costs $18. Therefore, her cost for the DVDs was 18D. Now simply add the terms together to get 30+18D. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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