
1a. What was the retail price of the mattress, before the discount?
1b. What was the wholesale price, before the markup?
2b. Find the mean total for the four months.

3. A bank charges a service fee of $7.50 per month for a checking account.
A bank account has $85.00. If no money is deposited or withdrawn except the service charge, how many months until the account balance is negative?
4a. The hose fills the aquarium at a constant rate of 15 liters per minute. What will the sensor read at the time 5 minutes?

Exit Ticket
1. If she does not make any deposits or withdrawals, what will be the balance in her account after 2 days?
Exit Ticket
2. In 14 days, Lin's sister will be paid $430 and will deposit it into her checking account. If there are no other transactions besides this deposit and a daily fee, will Lin continue to be charged $5.95 each day after this deposit is made?
Explain or show your reasoning in the show your work section below.
4b. Later, someone wants to use the data to find the amount of water at times before the sensor started. What should the sensor have read at the time -7 minutes.
5a. A restaurant bill is $21. You leave a 15% tip. How much do you pay including the tip?
5b. Which of the following represents the amount a customer pays including the tip of 15% if the bill was b dollars?
Select ALL that apply.