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A school needs to buy new notebook and desktop computers for its computer lab. The
notebook computers cost $200 each, and the desktop computers cost $400 each.
How many total computers would someone buy if they get 12 notebooks and 15
desktop computers? How many total computers would someone buy if they get n
notebooks and d desktop computers?
Total computers, 12 notebooks and 15 desktop computers:
Total computers, n notebooks and d desktop computers: