SOLUTION: Two dvd's and three tapes cost $31. Three dvd's and two tapes cost $29. Find the cost of each dvd and each tape.

SOLUTION: Two dvd's and three tapes cost $31. Three dvd's and two tapes cost $29. Find the cost of each dvd and each tape.

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Question 251788: Two dvd's and three tapes cost $31. Three dvd's and two tapes cost $29. Find the cost of each dvd and each tape.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= cost of 1 dvd
= cost of 1 tape
given:
(1)
(2)
Multiply (1) by and (2) by
and subtract (2) from (1)
(1)
(2)

and, since

Each tape cost $7 and each dvd costs $5
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