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April 1, 2015

Posted by **tony** on Wednesday, October 26, 2011 at 11:07am.

- college math -
**bobpursley**, Wednesday, October 26, 2011 at 11:14amExactly what is (1/5-1/20)?

- college math -
**tony**, Wednesday, October 26, 2011 at 11:43am1

__

5

and

1

__

20

- college math -
**Ms. Sue**, Wednesday, October 26, 2011 at 1:09pm1/5 = 4/20

4/20 - 1/20 = 3/20

- college math -
**yolanda**, Sunday, January 8, 2012 at 1:07amin about 2050 about 1/5 of the population will be aged 65 or over and about 1/20 of the population will be aged 85 or over. estimate the fraction of the population that will be between the ages of 65 and 85 in 2050

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