SOLUTION: The cost of a table is 2 1/2 times than of a chair, and the cost of fan is 3 1/2 times that of a table. the cost of fan is Rs. 589 more than that of chair. what is the toal cost of

Question 937503: The cost of a table is 2 1/2 times than of a chair, and the cost of fan is 3 1/2 times that of a table. the cost of fan is Rs. 589 more than that of chair. what is the toal cost of all three articles?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = cost of table
y = cost of chair
z = cost of fan
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x = 2.5y
z = 3.5x
z = y + 589
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put the system of linear equations into standard form
---
x - 2.5y = 0
3.5x - z = 0
y - z = -589
---
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https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = cost of table = 190
y = cost of chair = 76
z = cost of fan = 665
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