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Linear Functions

SAT Math· difficulty 5/5

A bookstore's profit equation is P=4b+2m−200P = 4b + 2m - 200 where bb is books and mm magazines sold. Minimum total items to break even with b=mb = m:

  • A

    3434 each

    check_circle
  • B

    2525 each

  • C

    3030 each

  • D

    3333 each

Explanation

4b+2b=200⇒6b=200⇒b≥33.34b + 2b = 200 \Rightarrow 6b = 200 \Rightarrow b \ge 33.3, so 34 each.

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