If i have 10 decimeters and I remove 25 centimeters, the final length is 7.5 decimeters.
If i have 10 decimeters and I remove 25 centimeters, what is the final length?
We know that:
1dm = 10cm, then:
10 decimeters is equal to 100 centimeters, and 25 centimeters is equal to 2.5 decimeters.
Then we have the operation:
10dm - 25cm
10dm - 2.5 d = 7.5dm
That is the final length