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Linear Equations in One Variable

SAT Math· difficulty 4/5

The length of a rectangle is 33 times the width. If the perimeter is 6464, what is the area?

  • A

    240

  • B

    288

  • C

    192

    check_circle
  • D

    256

Explanation

Let width ww, length 3w3w. 2(w+3w)=642(w + 3w) = 64, so 8w=648w = 64 and w=8w = 8. Length =24= 24. Area =24×8=192= 24 \times 8 = 192.

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