Friday

April 18, 2014

April 18, 2014

Posted by **ciera** on Tuesday, January 23, 2007 at 9:49pm.

If each pencil weighs 30 grams, 3 pencils weigh 90 grams, so 3 pencils and 2 one gram blocks would be 92 grams. On the right is 101 grams. Those don't balance. You want:

3x + 2 = 101.

3x = 99

x = 33 grams.

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