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claudia bought 2 filing cabinets and 4 cupboards. A filing cabinet costs 3 times as much as a cupboard. She paid 800 altogether. what was the cost of the cupboard
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Oct 25, 2016
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claudia bought 2 filing cabinets and 4 cupboards. A filing cabinet costs 3 times as much as a cupboard. She paid 800 altogether. what was the cost of the cupboard
Mathematics
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Maarten Hilferink
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If f = price of filing cabinet and c = price of cupboard we can make up the equation
2f + 4c =800
we also know that f = 3c, so can substitute that into equation
2(3c) +4c = 800
6c + 4c = 800
10c = 800
c = 80
f = 240
RomanKonz
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Oct 31, 2016
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