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September 23, 2014

September 23, 2014

Posted by **Anonymous** on Thursday, August 6, 2009 at 1:41pm.

- arithmetic -
**bobpursley**, Thursday, August 6, 2009 at 1:56pm20*120=15*140 + 5*W

solve for W

- arithmetic -
**Marth**, Thursday, August 6, 2009 at 1:57pm3/4 of the women is 20*3/4, or 15 women

If the average of all of the women is 130lbs, then the total weight is 20*130 = 2600lbs

The average of those 15 women is 140lbs. So 2600 - 15*140 is the weight left for the other 5 women.

2600 - 15*140 = 500

Find the average of those 5 women by dividing 500/5.

500/5 = 100lbs

- arithmetic -
**Rachael**, Sunday, November 1, 2009 at 8:44am100

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