CPM Homework Help : CC3MN Problem 6-51

A tank contains $8000$ liters of water. Each day, half of the water in the tank is removed. How much water will be in the tank at the end of:

The $4^{\text{th}}$ day?
Step (a):
Make a table.
Answer (a):
$t(4)=500$ liters

Hint (b):
You could write a rule for the table in part (a), or you could continue the table.
Answer (b):
$31.23$ liters will remain in the tank.