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A nickel is 5 cents, and $2 is 200 cents. Thus you need 200/5 = 40 coins.
2 COINS
001 of a cent = 1 cent and you will need 100 of them to make a dollar.
Half of one.
To make 75 cents out of 10 coins, you need 6 dimes and 3 nickels.
A nickel is 5 cents and a dollar is 100 cents, so you need 100/5 = 20 coins.
To calculate the number of 10 cent coins needed to make $2.80, you would first convert $2.80 to cents, which is 280 cents. Then, you would divide 280 by 10 (the value of each coin) to find the number of coins needed. Therefore, you would need 28 10 cent coins to make $2.80.
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A nickel is 5 cents, and $2 is 200 cents. Thus you need 200/5 = 40 coins.
Three coins; 50, 25, and 1.
To make 5 dollars using 10 cent coins, you would need 50 coins. This is because there are 100 cents in a dollar, so you would need 500 cents to make 5 dollars. Dividing 500 by 10 (the value of each coin) gives you 50 coins needed to make 5 dollars.
To make 89 cents with 6 coins, you have to first realize that the "9" part of the cents is comprised of 5 cents and 4 pennies. Therefore, you have to have 4 pennies and 85 cents using 2 coins; impossible, since you would need 3 coins(if you had half-dollars) to make that amount: a half-dollar, quarter, and a dime. Basically, it's impossible with only coins worth 0.01, 0.05, 0.10, 0.25, and 0.50 of the currency(US$, I assume?)
a Dime. 10 cents
To determine how many 20c coins make $14.60, you need to divide the total amount by the value of each coin. In this case, $14.60 divided by 0.20 (the value of a 20c coin) equals 73. Therefore, you would need 73 20c coins to make $14.60.
2 COINS
001 of a cent = 1 cent and you will need 100 of them to make a dollar.