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September 19, 2014

September 19, 2014

Posted by **Chris** on Thursday, April 25, 2013 at 11:17am.

A.

Add matrix A to the inverse of matrix B.

B.

Add matrix A to the inverse of matrix A and then subtract it from matrix B.

C.

More data is needed to calculate the sales during weekdays.

D.

Subtract matrix B from matrix A.

E.

Add matrix A to matrix B.

- Calc -
**Steve**, Thursday, April 25, 2013 at 11:51amLooks like (D) to me.

Subtract weekend sales from week total to get weekday-only sales.

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