Respuesta :

Answer:

You need to sell each week at least 15 subscriptions  to earn at least

$40/week  (15 subscriptions or more)

Step-by-step explanation:

s= subscriptions

2s+ 10 ≥40

2s ≥ 30

s ≥  15

$2x15 =$30

$30+ $10 of salary = $40