Ryan bought prizes for the math contest. He bought 6 times as many pencils as whistles. He bought half as many whistles as frisbees. If Ryan bought 54 pencils, how many prizes did he buy altogether?
How many prizes did he buy altogether?
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\(x=54+\frac{54}{6}+\frac{2\cdot 54}{6}=54+9+18=\color{blue}81\)
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81 prizes did he buy altogether.
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