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September 18, 2014

September 18, 2014

Posted by **seano** on Wednesday, October 10, 2007 at 12:50am.

- algebra -
**Raj**, Wednesday, October 10, 2007 at 12:57am70 = (75+63+68+x)/4 ...with x being what he must get.

So you solve that:

70(4)-75-63-68 = x

x = 74

So therefore, Sam must get a 74 or above to get a C grade.

x => 74

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