SOLUTION: A three piece suit costs exactly $100. No more no less. It has a vest, pants and a coat. The pants cost twice as much as the vest. The coat costs twice as much as the pants. H

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Question 90360: A three piece suit costs exactly $100. No more no less. It has a vest, pants and a coat. The pants cost twice as much as the vest. The coat costs twice as much as the pants. How much does each piece cost.
Answer by stanbon(48551) About Me  (Show Source):
You can put this solution on YOUR website!
A three piece suit costs exactly $100. No more no less. It has a vest, pants and a coat. The pants cost twice as much as the vest. The coat costs twice as much as the pants. How much does each piece cost.
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Let the cost of the vest be x dollars
Then cost of pants is 2x dollars.
And cost of coat is 2*2x = 4x dollars
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EQUATION:
x+2x+4x = 100
7x = 100
x = $14.29 (cost of vest)
2x = $28.57 (cost of pants)
4x = $57.14 (cost of coat)
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Cheers,
Stan H.