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Mathematics
Money and Currency
Coin Combinations
how to make 60¢ using three coins
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50 cents and 2 nickels
2 quarters and 1 dime
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I need to use quarters, dimes, nickles and pennies to make the following:
$1.53 in 12 coins $2.53 in 20 $2.32 in 15 coins $2.00
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so, what ideas do you have? $1.45 in 10: 3 quarters makes .75, so we need .70 in 7 coins. That means
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IF U WANT TO MAKE A DOLLAR OUT OF 50 COINS HOW DO YOU DO IT? PLEASE HELP THX
first you would want to multiply 50 x 4 and you will
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x + 2(60-x) = 92
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How many ways can you make change for 60 cents (60¢), using only quarters (25¢ coins), dimes (10¢ coins), and nickels (5¢
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What two coins will make up 30 cents but you cannot use a nickel ?
What two coins will make up 30 cents but you cannot use a
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A quarter and a nickel. The other one is a nickel :)
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A bag contains a large number of coins. 60% are 50p coins. 20% are 20p coins. 20% are 10p coins.
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mean = .6 * 50 + .2 * 20 + .2 * 10 = 30 + 4 + 4 = 38 p variance = (30-38)^2 + (4-38)^2 + (4-38)^2
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X = $10-coins. 54-x = $20-coins. 10x + 20(54-x) = 780. 10x + 1080 - 20x = 780. -10x = -300. X = 30.
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On each turn, you choose exactly 3 coins and flip them
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Susan has some $2-coins and $5-coins. If there are 18 coins and the total amount of these coins is not less than $75, find the
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