If the reserve ratio is 5 percent, then $1,000 of additional reserves can create up to?

Suppose the banking system currently has $300 billion in reserves; the reserve requirement is 10 percent; and excess reserves amount to $3 billion. What is the level of deposits?

In a 100-percent-reserve banking system, if people decided to decrease the amount of currency they held by increasing the amount they held in checkable deposits, then

Suppose the banking system currently has $300 billion in reserves; the reserve requirement is 10 percent; and excess reserves amount to $3 billion. What is the level of deposits