Sunday

April 20, 2014

April 20, 2014

Posted by **Anonymous** on Sunday, October 14, 2007 at 4:11pm.

- Algebra 2 -
**Reiny**, Sunday, October 14, 2007 at 5:57pmLet C = ax + b,

from the data

60 = 160a + b and

90 = 280a + b

solve these two, you should get a=1/4 and b=20

then

C = (1/4)x + 20

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