Well if there is 5 trophies on 3 shelves then the first thing you should know is that you have to multiply. So.. 5*3 Then the next thing is that Paul has 2 more trophies on another shelf. So you add those two trophies on to the expression. 5*3+2. ...Hope this helps :)
$2000*6%= what and $3000*8%=? i have given you the answer without solving it for you but the answers to these add up to 360 but i still however want you to find out what each one equals by itself.