The Party Room at Penny's Pizza rents for an initial fee of $30 and then $5 per hour. Aislyn's bill for her Birthday party was $50. For how many hours did she rent the room?
*NEED HELP WITH ANSWER*

Respuesta :

initial fee- $30
$5 per hour
=$50

$5* 4(hours)=$20 
$30+$20=$50

$50- $30 = $20
$20/ $5 = 4 hours