SOLUTION: Larry has 66 music CDs. He has 2 times as many rock CDs as country CDs. He has
3 times as many rock CDs as hip-hop CDs.
How many rock CDs does Larry have? Please show me the step
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-> SOLUTION: Larry has 66 music CDs. He has 2 times as many rock CDs as country CDs. He has
3 times as many rock CDs as hip-hop CDs.
How many rock CDs does Larry have? Please show me the step
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Question 596187: Larry has 66 music CDs. He has 2 times as many rock CDs as country CDs. He has
3 times as many rock CDs as hip-hop CDs.
How many rock CDs does Larry have? Please show me the steps. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of country CD's
Let = number of rock CD's = number of hip-hop CD's
----------------------------
and
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By substitution:
Multiply both sides by
and, since
also,
Larry has 36 rock CD's
check:
OK