SOLUTION: Your friend can buy 20 chairs and two tables for 400 dollars your other friend can buy 8 chairs and 4 tables for 460 dollars. How much will it cost for 12 chairs and 3 tables.
Question 1011214: Your friend can buy 20 chairs and two tables for 400 dollars your other friend can buy 8 chairs and 4 tables for 460 dollars. How much will it cost for 12 chairs and 3 tables. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the cost of 1 chair in dollars
Let = the cost of 1 table in dollars
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given:
(1)
(2)
----------------------
Multiply both sides of (1) by
and subtract (2) from (1)
(1)
(2)
----------------------
(1)
(1)
(1)
(1)
------------------------
check:
(2)
(2)
(2)
and
(1)
(1)
(1)
(1)
---------------------- = cost of 12 chairs and 3 tables
$408.75 is the cost of 12 chairs and 3 tables
