Homework Help: Math

Posted by Valeria on Sunday, February 3, 2008 at 7:43pm.

A can with 40 marbles in it weighted 135 grams. The same can with 20 marbles weighed 75 grams. How much is the weight of the can? Explain your answer.

Math - Damon, Sunday, February 3, 2008 at 9:11pm
40 m + c = 135
20 m + c = 75

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