if 15 chairs and 5 tables were brought for 8280 . if average cost of 5 tables are 1227. what is the average cost of chairs?

• 143
  
  Let average cost of chairs be x
  average cost of table = 1227
  
  total cost of chair and table = 8280
  15*x + 5*1227 = 8280
  15*x = 2145
  x = 143
  
• 10 years agoHelpfull: Yes(2) No(0)