Snap, Crackle, and Pop spend $150 on cereal in a grocery store.  Snap spends twice as much as Crackle.  Crackle spends 3 times as much as Pop.  How much did Pop spend? Let's think step by step and output the final answer after "####".
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Let x represent the amount that Pop spent in $
Crackle: 3x
Snap:2(3x)=6x
x+3x+6x=150
10x=150
x=15
#### 15
Snap, Crackle, and Pop spend $150 on cereal in a grocery store.  Snap spends twice as much as Crackle.  Crackle spends 3 times as much as Pop.  How much did Pop spend?
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