Q: How do you make 80 cents only using 3 coins?

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You can make 43 US cents using three dimes, two nickels, and three cents. (3 x 10) + (2 x 5) + (3 x 1) = 43

25 cents plus 5 cents = 30 cents. One of these coins is not a nickel.

To make 89 cents with 6 coins, you have to first realize that the "9" part of the cents is comprised of 5 cents and 4 pennies. Therefore, you have to have 4 pennies and 85 cents using 2 coins; impossible, since you would need 3 coins(if you had half-dollars) to make that amount: a half-dollar, quarter, and a dime. Basically, it's impossible with only coins worth 0.01, 0.05, 0.10, 0.25, and 0.50 of the currency(US$, I assume?)

Two quarters Three nickels Three pennies

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51

Assuming that you are only using current US coins (5, 10, 25 and 50 cents), the answer is 21. NickelsDimesQuartersHalves1500013100112009300740055003600170010010811062104310241005105020312012205001310112010011

3 quarters and a washer.

How do you get 67 cents wit 5 coins

You can make 43 US cents using three dimes, two nickels, and three cents. (3 x 10) + (2 x 5) + (3 x 1) = 43

25 cents plus 5 cents = 30 cents. One of these coins is not a nickel.

To make 89 cents with 6 coins, you have to first realize that the "9" part of the cents is comprised of 5 cents and 4 pennies. Therefore, you have to have 4 pennies and 85 cents using 2 coins; impossible, since you would need 3 coins(if you had half-dollars) to make that amount: a half-dollar, quarter, and a dime. Basically, it's impossible with only coins worth 0.01, 0.05, 0.10, 0.25, and 0.50 of the currency(US$, I assume?)

Two quarters Three nickels Three pennies

The answer will depend on which country's currency the question is about.

quarter, dime, penny. (It only works with US coins.)

The smallest coin available is a penny, worth one cent. Simply shift the decimal two places to the right (because you're going from dollars and cents to strictly cents) to find that you would need 2930 pennies to make $29.30 using the largest number of coins possible. Using any other coins would only decrease the number of coins in the combination.

Three quarters, two dimes, one penny.