Question

GRE数学题请教

Mrs.Jones sold two houses for $80,000each.One house was sold at a 20percent loss and the other at a 20 percent gain
问The gain minus the loss与0比较大小

Answer 1

Loss==80,000/4
gain==80,000/6

显然 赔了 小于0

Answer 2

X * 80% = Y * 120% =80,000

X > Y

20% X >20% Y

loss > gain

gain-loss< 0

Answer 3

小于。。。正确不？