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Using pennies, nickels, and dimes: 85 pennies 1 nickel 1 dime Total = 87 coins.
To make 90 cents, you can combine different coins. For example, you can use one half dollar (50 cents), one quarter (25 cents), and one dime (10 cents), which together total 85 cents. Then, add one nickel (5 cents) to reach 90 cents. Alternatively, you could use nine dimes, or three quarters and one dime to achieve the same total.
3 coins- 1 half dollar, 1 quarter, and 1 dime. 4 coins- 3 quarters and 1 dime.
a dime, a quarter and a fifty-cent piece.
22
Well, honey, you've got yourself a math problem. To make 85 cents using those coins, you can have combinations like 1 fifty cent coin, 1 twenty-five cent coin, 1 five cent coin, and 1 five cent coin. That's just one way to do it, but there are multiple combinations you can come up with to make a total of 85 cents using those coins.
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To make 85 cents using the fewest coins possible, you would need one 50-cent coin (a half dollar), one 25-cent coin (a quarter), and one 10-cent coin (a dime). This combination totals 85 cents.
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?)
1x25,6x10=85
3 quarters & 2 nickels
I don't think that this can be done using current US coins. In Canada, however, there are at least three combinations: -- 80 cents, 17 dimes, 2 quarters and a two-dollar coin -- 85 cents, 9 dimes, 5 quarters and a two-dollar coin -- 90 cents 1 dime, 8 quarters and a two dollar coin
Using pennies, nickels, and dimes: 85 pennies 1 nickel 1 dime Total = 87 coins.
Two quarters, one dime, four nickels, five pennies
To make 90 cents, you can combine different coins. For example, you can use one half dollar (50 cents), one quarter (25 cents), and one dime (10 cents), which together total 85 cents. Then, add one nickel (5 cents) to reach 90 cents. Alternatively, you could use nine dimes, or three quarters and one dime to achieve the same total.
3 coins- 1 half dollar, 1 quarter, and 1 dime. 4 coins- 3 quarters and 1 dime.