GMAT考试

【单选题】The equation
relates the values of two linked currencies, where R is the value in dollars of one currency and S is the value in dollars of the other currency. Which of the following equations can be used to convert dollar values from the R currency to the S currency


网考网参考答案：A
网考网解析：
You can simplify the equation by multiplying 7 times both sides, which results in the equation , which can be restated as 5R-15=4S+32, which can be restated as document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>