how to solve this?

Question

0

1000

4

(1-0.5)*1/(1-0.25)

Guest Feb 23, 2012

admin · Answer 1 · 2012-02-23T05:04:45

[input](1-0.5)*1/(1-0.25)[/input]

Guest · Answer 2 · 2012-02-23T05:12:25

but how did it become 2/3?

admin · Answer 3 · 2012-02-23T05:14:39

Guest:
but how did it become 2/3?

(1-0.5)*1/(1-0.25)
(1-0.5)/(1-0.25)
(1-1/2)/(1-1/4)
(2/2-1/2)/(4/4-1/4)
(1/2)/(3/4)
(1/2)*(4/3)
4/6
2/3

Guest · Answer 4 · 2012-02-23T05:23:18

thank you!