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October 21, 2014

October 21, 2014

Posted by **TJ** on Friday, March 1, 2013 at 7:36pm.

Curt has 12 models in all. Three of the models are airplanes. Curt has 5 more models of cars than boats. How many models of cars does Curt have?

- Math -
**Dr. Jane**, Friday, March 1, 2013 at 7:39pma + c + b =12

3 = a

b + 5 = c

Substitute into the original equation:

3 + b + 5 + b = 12

Solve for b to find the number of boats.

Add 5 to the number of boats to find the number of cars.

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