GRE考试

【单选题】Directions: In the following questions, choose the best answer from the five choices listeD、
If
of a number is 7 more than
of the number, what is
of the numberA．12
B．15
C．18
D．20
E、24

网考网参考答案：D
网考网解析：
Let the number be x, and write the equation: [*] Multiply both sides by 12: 9x = 84 + 2x Subtract 2x from each side and divide by 7: 7x = 84 x=12 Be careful: 12 is not the answer. You were asked for [*] of the number:[*] document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>