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2009 P Jefferson Nickel Roll 40 coins all circulate
US $16.75
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WESTWARD JOURNEY 10 COIN SET 5 P 5 D ALL 5 TYPES SET 2
US $.99
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FULL ROLL 1936P BUFFALO NICKELS 40 COINS ALL READABLE DATES
US $29.00
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JEFFERSON COIN LOTFIVE 5 1948 DSFIVE COINSALL 48 DS
US $1.88
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JEFFERSON COIN LOTFIVE 5 1949 DSFIVE COINSALL 49 DS
US $1.88
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JEFFERSON COIN LOTFIVE 5 1952 DSFIVE COINSALL 52 DS
US $1.88
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JEFFERSON COIN LOTFIVE 5 1956 PSFIVE COINSALL 56 PS
US $.88
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JEFFERSON COIN LOTFIVE 5 1958 DSFIVE COINSALL 58 DS
US $.88
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JEFFERSON COIN LOTFIVE 5 1939 PSFIVE COINSALL 39 PS
US $.88
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Marco has 150 coins, all nickels and dimes. he has 12 more dimes than nickels. How many nickels and dimes does?
HE HAVE?
(i have to translate to a system of equations and solve)
HELPP
N+D=150
D=N+12
substitute into the 1st equation:
N+N+12 =150
2N+12 = 150
2N = 138
N = 69
D = 69+12 = 81
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2009 P Jefferson Nickel Roll 40 coins all circulate US $16.75
|
WESTWARD JOURNEY 10 COIN SET 5 P 5 D ALL 5 TYPES SET 2 US $.99
|
FULL ROLL 1936P BUFFALO NICKELS 40 COINS ALL READABLE DATES US $29.00
|
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