1. $3.00
 6 half dollars
1 dollars, 4 half dollars 
3 dollar coins

2. 5.50 

10 half dollars 2 quarters
11 half dollars

3. $6.00 
 10 half dollars, 2  quarters
7 half dollars, 10 quarters 


4. $ 6.00 

12 half dollars
 6 dollar coins