Question

Aflati numarul natural x din proportia:

50 supra 27+x = [0.8(3)]²

Answer 1

[tex] \frac{50}{27+x} = \frac{83-8}{90} [/tex]

$\frac{50}{27+x} = \frac{75}{90} (simplificam) = \frac{5}{6}$

5  · (27+x) = 50 · 6
5x + 135 = 300
5x = 300 - 135
5x = 165
x = 165 : 5
x = 33