5x-2x+8
3x+8
I think this is correct
Answer:
The amount in checking will always be twice in any week.
Step-by-step explanation:
Let's say,
represents the week,
represents the saving account and
represents the checking account.
Balance in saving account in any week 
Balance in checking account in any week 
Translate the statement into mathematical equation. Remember to use " = " for word "is" in the given statement.
We have to find
for
.
Putting the values, we have:


Which means in each week the amount in checking is twice the amount in savings.
Best Regards!
Numbers that are close in value to the actual numbers
Answer:
6
Step-by-step explanation:
This is just like working with money in a bank account
that's earning 12% interest.
If the population is 422,000 today, and
' n ' is the number of years after today,
then
Population = 422,000 (1.12)ⁿ .