Posted by rachel on Tuesday, December 6, 2011 at 7:48pm.
solve this:
20x+32 (.8x+72)=48
then, you have x. Then solve y=.8x+72
i actually wrote the second part wrong. Its supposed to be y=.8x+7.2 not 72. and when i solved it i got 10.4 for y and my x is 4.
Is it right?
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