20$ - 8.49 - 3.39 - 3.39

The result of subtracting $8.49 and $3.39 from $20 is:

$20 - $8.49 - $3.39 - $3.39 = $4.73

20$ -9.24 - 3.22 - 3.22

The result of subtracting $9.24 and $3.22 from $20 is:

$20 - $9.24 - $3.22 - $3.22 = $4.32

To calculate the expression 20$ - 8.49 - 3.39 - 3.39, follow these steps:

Step 1: Subtract 8.49 from 20$.
Calculation: 20$ - 8.49 = 11.51

Step 2: Subtract 3.39 from the result obtained in Step 1.
Calculation: 11.51 - 3.39 = 8.12

Step 3: Subtract 3.39 from the result obtained in Step 2.
Calculation: 8.12 - 3.39 = 4.73

The final result is 4.73$.