Posted by **Laur** on Wednesday, January 26, 2011 at 10:18pm.

The purity of gold is measured in karats. Twenty-four karat gold is pure gold and k karat gold is k/24 gold by mass. One piece of 16-karat gold jewelry has a mass of 30 grams and another piece of 10-karat gold jewelry has a mass of 40 grams. Find the number of grams in the positive difference between the amount of pure gold in each piece of jewelry. Express your answer as a mixed number.

- GOLD DUST FOR SALE -
**BENSON IMO**, Tuesday, January 17, 2012 at 4:17am
GOLD DUST FOR SALE

Dear Sir/ Madam,

We are small scale Gold miners here on the sub-region of West Africa. We have some huge

quantity of alluvial Gold Dust for sale at a considerable price of $30,500USD per kilo

which is below world market price, 22 carat and 92.05% purity. If you are interested, do

not hesitate to get back to us as soon as possible for us to give you our full co-operate

offer (FCO)

Best Regards

MR BENSON IMO

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