GRE

简答题

参考答案:暂无进入在线模考
D.
If you add 5 to andsubtract 3x from both quantities,then Quantity Abecomes14 and Quantity B becomes 5x.If you then divide both by5,Quantity A becomes 2.8 andQuantity B becomes x.You know that x>2.butnot whether x>2.8.There is no way of telling which quantity is larger.