Question

Alguem me ajuda ?
0,22(11-0,3)+4/7

Answer 1

0,22(11-0,3)+4/7 
 0,22.11-0,22.0,3+4/7
2.42-0.066 + 4/7
2.354+4/7   mmc
  16,4+4=20,478

Answer 2

$\[\\0,22(11-0,3)+\frac{4}{7} \\\\\frac{11}{50}(11-\frac{3}{10})+\frac{4}{7} \\\\\frac{121}{50}-\frac{33}{500}+\frac{4}{7} \\\\\frac{1177}{500}+\frac{4}{7}= \frac{10239}{3500}\]$