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2015-04-28T21:04:03+08:00

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6-bar box:$7.86
If you simplify its
1-bar box:$1.31

Therefore, multiply its value by 20, $1.31x20=$26.2

20-bar box:$25
Divide both sides by 20
1-bar box=$1.25

Which means that the better deal is the 20-bar box worth $25, 
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