Billy's age is twice Joe's age and the sum of their ages is 45. How old is Billy?
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So she used 
of the cord to make necklaces.
She splits the
length into 4 equal lengths.
To divide a fraction by a fraction, you multiply it by its reciprocal.
She used
of the original chord to make each bracelet.
She splits the
To divide a fraction by a fraction, you multiply it by its reciprocal.
She used