1 $3.00                                                                     

30 dimes
  20 dimes, 2 half dollar
 6 half dollars
 3 dollar coins 
300 pennies

2
$5.50
5 dollar coins, 1 half dollar 
22 quarters
1 half dollar, 5 dimes, 14 quarters, 1 dollar coins


3
$3.75
3 dollar coins, 3 quarters
6 half dollars, 7 dimes, 1 nickel
30 dimes, 3 quarters

4
$6.00
6 dollar coins
60 dimes
12 half dollar coins