Answer:
Least amount: 11 coins
Greatest amount: 63 coins
Step-by-step explanation:
If you want the least amount of coins, you need coins of greater value and the opposite for the greatest amount of coins.
The least amount of coins:
3 quarters, 1 dime, 2 nickels, 5 pennies
The greatest amount of coins:
1 quarter, 1 dime, 1 nickel and 60 pennies