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Type: Multiple-Choice
Category: Area
Level: Grade 10
Standards: HSA-CED.A.3, HSA-REI.C.6
Tags: problem solving
Author: cchrastka
Last Modified: 4 years ago

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Grade 10 Area CCSS: HSA-CED.A.3, HSA-REI.C.6

A rectangle is one third as wide as it is long. If both the length and width are decreased by 3 centimeters, the area decreases by 35 centimeters squared. Find the original length of the rectangle.
  1. 9 cm
  2. 10 cm
  3. 11 cm
  4. 12 cm
  5. 13 cm
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