Friday

August 22, 2014

August 22, 2014

Posted by **Pam** on Sunday, September 29, 2013 at 2:37pm.

1. The human ear can distinguish sounds between 20Hz and 20,000 Hz, inclusive.

2. For a man to box as a welterweight, he must weigh more than 140 lbs, but at most 147 lbs.

- Math -
**Reiny**, Sunday, September 29, 2013 at 3:02pmThe solution would simply be the statement of the inequality

e.g. 2.

if x is the number of lbs, then

140 < x ≤ 147

notice 140 is excluded , but 147 is included

Do #1 the same way

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