SOLUTION: The cost of a chair and a table is Rs.2000 .The cost of 5 chairs and some tables is 16200, if number of table and chair are interchanged and 5% discount is allowed .I have to pay R

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Question 1015855: The cost of a chair and a table is Rs.2000 .The cost of 5 chairs and some tables is 16200, if number of table and chair are interchanged and 5% discount is allowed .I have to pay Rs.11210.Find number of tables I initially purchase? Find the total cost of seven chairs and six tables?
Answer by stanbon(75887) About Me  (Show Source):
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The cost of a chair and a table is Rs.2000 .The cost of 5 chairs and some tables is 16200, if number of table and chair are interchanged and 5% discount is allowed .I have to pay Rs.11210.Find number of tables I initially purchase? Find the total cost of seven chairs and six tables?
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c + t = 2000
5c + xt = 16200
xc + 5t = 11210
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(5-x)c + (x-5)t = 4900
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Substitute for c (or for t, and solve for the other)
Then you can figure out the cost of 7c + 6t.
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Cheers,
Stan H.