Answer:

11. 854

Step-by-step explanation:

Subtract it. 23.643 -11.789

Answer:

The other number is 11.854.

Step-by-step explanation:

If the sum of two numbers is 23.643 and one of the numbers is 11.789, then the other number is x. We also get that . Do the following to get x:

.

Thus, x, or the other number, is 11.854.

Hope this helps as #CarryOnLearning!