Question

A used book store also started selling used CD's and videos. In the first week, the store sold 40 used CD and videos, at $4.00 per CD and $6.00 per video. The sales for both CD's totaled $180.00...
Which system of equations best represents this:

a) x+y=40; 4x+6y=180
b) 4x+6y=40; x+y=180
c)y=4x+6; y=40x+180

Answer 1

A is the best answer

Answer 2

Okay. Thank you!