Linear Inequalities in One or Two Variables

SAT Math· difficulty 4/5

A bakery sells small loaves \4andlargeand large$7.Tomakeatleast. To make at least $140$, the inequality is:

  • A

    4s+71404s + 7\ell \le 140

  • B

    s+140s + \ell \ge 140

  • C

    7s+41407s + 4\ell \ge 140

  • D

    4s+71404s + 7\ell \ge 140

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Explanation

Revenue must reach at least 140140.

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