Linear Functions

SAT Math· difficulty 4/5

A truck is loaded with 1500 lb cargo. Each box weighs 25 lb. Weight WW after unloading bb boxes:

  • A

    W=25b1500W = 25b - 1500

  • B

    W=1500+25bW = 1500 + 25b

  • C

    W=150025bW = 1500 - 25b

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  • D

    W=1500/25bW = 1500/25 - b

Explanation

Start at 15001500, decrease 2525 lb per box.

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