Posted by Josh on Wednesday, September 8, 2010 at 4:47pm.
One year, China consumed 4 times as much energy as Brazil.Define a variable and write an expression for the amount of energy China used that year.I don't get the variable part and expression. Not the same person.

math  PsyDAG, Friday, September 10, 2010 at 12:21am
China = 4*Brazil
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