* Convert everything to the same unit: Since a dekameter (dam) is larger than a meter (m), let's convert dekameters to meters.

* 1 dekameter = 10 meters

* 11 dekameters = 11 * 10 meters = 110 meters

* Add the values:

* 5 meters + 110 meters = 115 meters

Answer: 5 meters plus 11 dekameters is equal to 115 meters.