John writes 3 stories every week.  Each short story is 50 pages.  He also writes a novel that is 1200 pages each year.  Each sheet of paper can hold 2 pages.  Over 12 weeks, how many reams of paper does he need to buy if a ream contains 500 sheets?
He writes 3*50=<<3*50=150>>150 pages a week
That means he writes 150*52=<<150*52=7800>>7800 pages of short stories a year
So he writes 7800+1200=<<7800+1200=9000>>9000 pages a year
So he needs 9000/2=<<9000/2=4500>>4500 sheets of paper
That means he needs 4500/500=<<4500/500=9>>9 reams of paper
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