Answer:
400 and 1810
Step-by-step explanation:
By 1800, there were approximately 400 private banks in England and Wales. The number of private banks in England and Wales grew by 600% between 1780 and 1810.
This simply means that during this period there were private banks in England and Wales which totaled four hundred.
The number subsequently grew by almost six hundred percent between 1780 and 1810.