Jame is trying to learn to tear playing cards.  He can tear 30 cards at a time.  A new deck of cards has 55 cards if you include the jokers and blank cards.  He tears cards 3 times a week.  If he buys 18 decks how many weeks can he go?
He tears 30*3=<<30*3=90>>90 cards a week
He bought 55*18=<<55*18=990>>990 cards
So he can tear for 990/90=<<990/90=11>>11 weeks
#### 11