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OpenStudy (anonymous):
a piggy bank contained $48 which consisted of $2, $1 and 50c coins. The number of $1 was twice the number of $2 coins and the number of 50c coins was twice the number of $1 coins. How many of each coin were there?
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OpenStudy (anonymous):
ones=2twos cents=2ones 48=2twos+ones+.5cents 48=2twos+2twos+4twos 48=8twos twos=6 ones=2*6 ones = 12 cents=2*12 cents=24
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