Question

error and correction: The first know case of the viral​

Answer 1

Explanation:

one of the pieces be "x".

Then other is "2x+4".

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Equation:

x + (2x+4) = 40 cm

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3x = 36

x = 12 cm (smaller piece)

2x+4 = 2*12+4 = 28 cm (longer piece)

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Cheers,