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djverab [1.8K]
3 years ago
6

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
1 answer:
pickupchik [31]3 years ago
5 0
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

<u>c = 80</u>

<u>f = 240</u>
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