If total bank reserves are $24.8bln., excess reserves are $-3.1bln., and the reserve requirement ratio is 9.8%, what are the bank's total deposits, in $bln (to the nearest $0.01bln)?

If a bank's total reserves are $9.2bln., reserve requirement ratio is 5.6%, and the bank's total deposits are $115.2bln., what are the bank's excess reserves, in $bln (to the nearest $0.01bln)? Note: Excess reserves may be negative.

If the reserve requirement ratio is 8%, a bank's total deposits are $81.9mln., and the bank's excess reserves are $-2.9mln, what are the bank's total reserves, in $mln (to the nearest $0.01mln)?