You spend $13 to rent 5 movies for the weekend. Since new releases rent for $3 and regular movies rent for $2, how many regular movies did you rent? How many new releases did you rent?

Respuesta :

3 new releases and 2 regular movies

$3 per new release
$2 for regular movies

3 × 3 = $9
2 × 2 = $4
9 + 4 = $ 13
Let x: represent as regular movie and y: represent as new release movie.
2x+3y=13, x+y=5
x=5-y
2(5-y)+3y=13
10-2y+3y=13
10+y=13
y=3
x=2, so I rent 3 new released. Hope it help!
ACCESS MORE