sebaslopez2001 sebaslopez2001
  • 14-09-2020
  • Mathematics
contestada

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 two DVDs cost $127.73

Respuesta :

maple7
maple7 maple7
  • 14-09-2020
Cd= x =5,96
Dvd=y

5x+2y=127,73
2y = 127,73 - 5 (5.96)
2y = 127,73 - 29.8
2y = 97.93
y = 97.93/2 = 48.965

x=5,96
y=48.965

6x+2y = 6(5,96) + 2(48.965) = 35.76 + 97.93 = 103.89

Final answer: 103.89

*i made it the much detailed possible as i don't know what your teacher asks of you so alot of it is unnecessary

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