Question

Determine o valor de y:
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Answer 1

Resposta:

$\frac{20}{3} = \frac{8}{y} \\ 20y = 24 \\ y = 24 \div 20 \\ y = 1.2$

Answer 2

Esse caso utilizamos regra de 3

20 8

3 y

20y=24

y=24/20

y= 1,2