Bob has 500 budgeted to donate to his charity he gave 2/5 of the amount to the Red Cross Bob donated 1/3 of the remainder to special Olympics how much is left to give to the other charities
Bob gave 2/5 * 500 = $<<2/5*500=200>>200 to the Red Cross.
The remainder is 500 - 200 = $<<500-200=300>>300.
Bob donated 1/3 * 300 = $<<1/3*300=100>>100 to Special Olympics.
After donating to Special Olympics, Bob has 300 - 100 = $<<300-100=200>>200 left to give to other charities. Answer: \boxed{200}.