Alg3.1.15
From Exampleproblems
Robert purchased 5 chairs and 2 tables for $1625.Julie purchased 2 chairs and one table for $750.Find the cost per chair and table.
Assume that a chair costs $
and a table costs $
Then, 5 chairs cost 
and 2tables cost 
.
Thus the amount spent by Robert will be 
Again, Julie's purchase of 2 chairs and 1 table, we have 
Solving the two equations,we get
Hence 
Therefore,the cost of chair and table are $125 and $500.
