You can put this solution on YOUR website! find the total cost of an engagement ring at 3240 including sale tax of 6.5%?
6.5% of 3240 = 3240*6.5%=3240*(6.5/100)=3240*0.065=210.6
Total cost = 3240+210.6=3450.60
or
find 106.5% of 3240 = 3240*(106.5/100)=3240*1.065=3450.6