SOLUTION: the cost of 30 chairs and 20 tables is 8500.what is the total cost of 117 chairs and 78 table????

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Question 604527: the cost of 30 chairs and 20 tables is 8500.what is the total cost of 117 chairs and 78 table????
Answer by flame8855(424)   (Show Source): You can put this solution on YOUR website!
30c + 20t = 8500
117/30 = 3.9
78/20 = 3.9
so 117c+78c= 8500(3.9)
33150

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