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September 20, 2014

Homework Help: maths urgent

Posted by joel on Thursday, September 22, 2011 at 12:09pm.

The average mass of half the number of crabs in a basket is 350g, the average mass of the remaining crabs is 300g. If the total mass iof the crabs in the basket is 13kg, how many crabs are there in the basket?

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