一最新数学JJ

joy

The rate of yesterday is 5 percent, and the rate of today is 1/4 of 1 percent less than yesterday.  Then what is the possible rate of today:
  a.0.003~0.005；b… c…  d. 0.03~0.05； e…

着怎么解,请教各位大虾,thanks very much!

khe01

if today = X, then 5%-X/0.05=1/4*1%. Answer is D.

My answer is just for your reference.

discard

1/4 of 1 percent  是这样理解吗？我觉的
5％×（1－1％）×1/4＝X,
对吗？

redpot

???  can't get the meaning of the question.