CDs and DVDs Solve by setting up a system of linear equations with 2 variables and 2 unknowns. CDs cost $5.96 more than DVDs at All Bets Are Off Electronics. How much would 6 CDs and 2 DVDs cost if 5 CDs and 2 DVDs cost $127.73?

Respuesta :

The cost for 6 CDs and 2 DVDs cost $147.68.

To answer this, you have to find the cost of each item. This can be done by solving a system of equations.

Our system could be:
C = D + 5.96
5C + 2D = 147.68

Solving this gives you that:
C = 19.95
D = 13.99

Now, just plug those into the equation below and you will have your answer:
6C + 2D