Ben cam and justin are lumberjacks the number of trees they chop down is given by b+2c+3j b is the number of hours ben spends chopping c is the number of hours cam spends chopping and j is the number of hours justin soends chopping how many trees do they chop down after bem spends 8 hours chopping cam spends 3 hours and justin spends 4?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?