Question

Calcule o valor de x:​

Answer 1

$\frac{x}{18} = \frac{9}{15} \\ \\ \frac{x}{6} = \frac{9}{5} \\ \\ x = \frac{54}{5} = 10.8$

Answer 2

18×X-5×9

=18X-135 X =1080

X=135/8

135×8=1080