Respuesta :

itspea
1/x = (1/2)/(4/5)

Cross multiply!

1 * (4/5) = (1/2) * (x)

4/5 = 1/2x

Flip!

1/2x = 4/5

Multiply both sides by 2!

2 * (1/2x) = 2 * (4/5)

x = 8/5

So, 1/x = (1/2)/(4/5) = 8/5.

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