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Linear Inequalities in One or Two Variables

SAT Math· difficulty 3/5

A student has \25forsnacks.Chipsfor snacks. Chips$2each,drinkseach, drinks$1.50each.Ifshebuys4chips,themaximumdrinkseach. If she buys 4 chips, the maximum drinksd$ is:

  • A

    1111

    check_circle
  • B

    1010

  • C

    1212

  • D

    1313

Explanation

2(4)+1.50d≤25⇒1.50d≤17⇒d≤11.332(4) + 1.50d \le 25 \Rightarrow 1.50d \le 17 \Rightarrow d \le 11.33, so d=11d = 11.

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