You can't make fractions of cents.
To make 55 cents with 15 coins you will use 10 pennies, 1 quarter, and 4 nickles.
15
To find out how many 50-cent coins make $7.50, you can divide the total amount by the value of each coin. $7.50 is equivalent to 750 cents, and dividing 750 by 50 gives you 15. Therefore, you need 15 coins of 50 cents to make $7.50.
Ten nickels, five pennies
To make 68 cents with 13 coins, you can use the following combination: 3 quarters (25 cents each), 2 dimes (10 cents each), 3 nickels (5 cents each), and 5 pennies (1 cent each). This totals to 75 cents (3 quarters) + 20 cents (2 dimes) + 15 cents (3 nickels) + 5 cents (5 pennies) = 68 cents. This combination uses a total of 13 coins.
To make 55 cents with 15 coins you will use 10 pennies, 1 quarter, and 4 nickles.
15
Ten nickels, five pennies
15 pennies 1 dime
10 pennies 5 nickels
25 cents = 0 = $0.00 10 cents = 3 = $0.30 5 cents = 1 = $0.05 1 cent = 15 = $0.15 total coins = 19 = $0.50
Ten nickels, five pennies
Yes, it is possible to make 25 cents with 17 coins. You can achieve this by using 6 quarters (6 x 25 cents = 150 cents) and 11 pennies (11 x 1 cent = 11 cents). In total, you would have 17 coins with a combined value of 25 cents.
To make 68 cents with 13 coins, you can use the following combination: 3 quarters (25 cents each), 2 dimes (10 cents each), 3 nickels (5 cents each), and 5 pennies (1 cent each). This totals to 75 cents (3 quarters) + 20 cents (2 dimes) + 15 cents (3 nickels) + 5 cents (5 pennies) = 68 cents. This combination uses a total of 13 coins.
Two quarter dollar coins (25 cents each) and five dimes (10 cent each coin) or 3 x 25 cents = 75 cents 3 x 5 cents = 15 cents 1 x 10 cents = 10 cents Total = 100 cents or one dollar.
A dime and a half dime (a coin last minted in 1873)You may be thinking of the brain teaser "What two coins make 15 cents if one of them is not a nickel?" The answer to that question is of course a dime and a modern nickel. The dime is the one coin that's not a nickel!
10 pennies,2 quarters, 3 dimes