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March 29, 2015

March 29, 2015

Posted by **bilal** on Tuesday, April 5, 2011 at 7:02pm.

- Algebra -
**PsyDAG**, Tuesday, April 5, 2011 at 8:12pmLet x = nights and y = meals.

2x + 4y = 130

2x + y = 106

Subtract second equation from first.

3y = 24

Solve for y, then put that value into one of the first two equations to find x. To check, put both values in the remaining equation.

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