Answer:
3n-7
Step-by-step explanation:
Answer:

Step-by-step explanation:
We want to simplify:

We convert to improper fraction to get:

We now deal with the parenthesis by multiplying with the reciprocal of 2.

This gives:

We multiply to get:

This simplfies to:

We write as mixed number

4 times 12 is 48 so 12 times
Answer:81,000.
Step-by-step explanation: