The perimeter of a rectangle is 510 centimeters. The ratio of the length to the width is 3:2. What are the dimensions of this rectangle?
- A150 cm by 105 cm
- B153 cm by 102 cm
- C158 cm by 97 cm
- D165 cm by 90 cm
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Correct answer: B
Let the width and
the length.
Since 2 times width + 2 times length = perimeter, we get
cm and
cm