Question

Lupe needs a piece of string that is 45.3 cm in length. She knows that if she takes a longer piece and folds it in 4 equal parts, each part will be 45.3 cm. How long is the longer piece of string?

Answer 1

Length of the longer piece of string=(45.3×4)cm
=181.2 cm
hope it helps you...

Answer 2

i think

As a piece of string is length: 45.3cm

and when it fold a longer ones  that we don't know - 45.3 each

so 4×45.3 ≈ 181.2 cm

hence, we found longer part length is 181.2 cm