Question

Qual valor de x na igualdade 7/11=x/220

Answer 1

11x= 1540
x=1540/11
x=140

Answer 2

$\frac{7}{11} = \frac{x}{220}$
$11x =(7).(220)$
$x = \frac{(7).(220)}{11}$
$x = \frac{1540}{11}$
$x = 140$