Question

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

Answer 1

Answer:

25 cm

Step-by-step explanation:

Let the original length be x.

Length after stretching is 124x/100.

Which is equal to 31 cm.

After solving the equation

124x/100 = 31 cm

We get x = 25 cm.

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