For this case we must simplify the following expression:

We eliminate the parentheses taking into account that:

So, we have:

We add similar terms taking into account that:
Different signs are subtracted and the sign of the major is placed:

Answer:

10% because walking is only 10 percent of the hrs
The answer to that definition is a multiple. A multiple is any number that is not zero.
Hope I helped!
- Amber
Answer:
the correct answer for that would be identity property
Answer:
0
Step-by-step explanation:
subtract 20 from 40 it's Zero