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A consumer report revealed the following information about three tubes of toothpaste. Bright is 60% more expensive than Fresh and has 25% less volume than Glow. Glow is 25% less expensive than Bright and has 33 1/3% more volume than Fresh. Fresh costs $1.00 per unit of volume. What is the number of cents per unit of volume of Glow?

 Jun 16, 2018
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Fresh costs $1.00 per unit volume.
Bright costs $1.60 per unit volume.
Glow costs [0.75*$1.60] =$1.20 per unit volume.
Let Fresh's volume = V
Bright's Volume =.75 * 1 1/3V =V
Glow's volume =1 1/3V
$1.20 /(1 1/3) =$0.90 - or 90 cents per unit volume of Glow's toothpate.

 Jun 16, 2018

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