Posted by **Anonymous** on Saturday, June 5, 2010 at 6:18pm.

One kung pao chicken and two big macs provide 2620 calories. Two kung pao chickens and one big mac provide 3740 calories. find the caloric content of each item.

- linear equation -
**Jen**, Saturday, June 5, 2010 at 6:49pm
1x+2y=2620

2x+1y=3740

You can use elimination to solve, which is where you multiply one or more equations to eliminate either the x's or y's.

Multiplying the top equation by negative 2 will cancel the x's.

-2x-4y=-5240

2x+1y=3740

Add the equations together.

-3y=-1500

Divide by negative 3.

y=500

Plug y=500 into any of the equations to figure out what x equals. Post if you want it checked.

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