Answer:
 6.7 
Step-by-step explanation:
We can calculate the difference between the equity multiplier of Bank A and Bank B by using the equity multiplier formula. The equity multiplier is a financial leverage ratio that measures the amount of a firm's assets that are financed by its shareholders by comparing total assets with total shareholder's equity.
DATA
Bank A: Equity to asset ratio = 6% 
Bank B: Equity to asset ratio = 10% 
 
Bank A 
Equity multiplier = total asset / total equity 
Equity multiplier = 1.06/0.06 
Equity multiplier = 17.67  
Bank B 
Equity multiplier = total asset / total equity 
Equity multiplier = 1.10/0.1 
Equity multiplier =11 
 
Difference = 17.67-11 
Difference = 6.7