Shelly's ten $10 bills amount to 10 x $10 = $<<10*10=100>>100.
She has 10 - 4 = <<10-4=6>>6 $5 bills.
The 6 $5 bills amount to 6 x $5 = $<<6*5=30>>30.
Thus, Shelly has $100 + $30 = $<<100+30=130>>130 in all.
#### 130