wal765 wal765
  • 22-03-2015
  • Mathematics
Answered

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

Answer :

helen4 helen4
  • 23-03-2015
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
Answer Link

Other Questions

A company released a new video game system just in time for Christmas and many stores quickly sold out Although the price of the system was only 350 they sold f
All of the following are true about Homer except a He was a deaf poet c He is credited with being the first to put the Epics into writing b He wrote the Odyssey
what does hit or miss mean
the tribes were trickedbribed or forced to sign meaningless
What did the use of atomic bombs during World War II lead to
Charles is going campin with his family His campsites 78 miles away They walk at a steady speed of 1 12 mihr How many minutes will it take them to get to the ca
what is 2 times 14 equal
delegates met in 1787 to revise the articles of confederation what did this meeting become
TRANSLATING WORDS TO EXPRESSIONS 1One chair costs 2550 more than twice as much a another one 2The quotient of 8 times a number and 3 3One bed costs 100 less tha
Sperm are produced within the testes by the process of