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Visualizing Distributive Property

A piece of el...

Question

A piece of elastic was stretched by $24$ % to a length of $31$ cm. Find its unstretched original length.

A

24

cm

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B

26

cm

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C

25

cm

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D

20

cm

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Solution

The correct option is A $24$ cm
Let the original length be $x$ .
Original length $= 124 % \times l = 31 c m ⟹ l = 25 c m$

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