SOLUTION: a used CD costs $2 less than 2 used cassettes. Find the cost of a used CD and a used cassette if the total cost for two CDs and six cassettes is $46.

Question 434745: a used CD costs $2 less than 2 used cassettes. Find the cost of a used CD and a used cassette if the total cost for two CDs and six cassettes is $46.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = cost of a used CD
Let = cost of a used cassette
given:
(1)
(1)
(2)
Multiply both sides of (1) by
and add (1) and (2)
(1)
(2)

And
(1)
(1)
(1)

$8 is the cost of a used CD
$5 is the cost of a used cassette
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