SOLUTION: The cost of 21 chair and 15 tables is rupees 53700.the cost of seven chairs is rupees 3500 less than the cost of 5 tables.find the cost of a chair?
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Question 924108: The cost of 21 chair and 15 tables is rupees 53700.the cost of seven chairs is rupees 3500 less than the cost of 5 tables.find the cost of a chair?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
7c = 5t - 3500
21c =
...
21c + 15t = 37500
3(5t-3500) + 15t = 37500
30t = 37500 + 10500
30t = 48,000
t = 1,600 and c = rupees 642.86
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