Last year, Frank opened an investment account with $6400 . At the end of the year, the amount in the account had increased by 29.5% . How much is this increase in dollars? How much money was in his ac

Last year, Frank opened an investment account with $6400 . At the end of the year, the amount in the account had increased by 29.5% . How much is this increase in dollars? How much money was in his account at the end of last year?