Question 447608
This uses the equation:
{{{A=Pe^(rt)}}} A=final dollar amount, P=principal or initial investment amount, e=euler's number=2.718..., r=interest rate as a decimal, t=time in years.
{{{4815.90=Pe^(.054*7)}}} Substitute appropriate values
{{{4815.90=Pe^(.378)}}} simplify
{{{3300=P}}} divide 4815.90 by {{{e^(.378)}}}