Respuesta :
1. 0.8889
2. 4.1%
3. 64.92%
4. 0.2344
5. a
6. 31/100 = x/70; 21.7
7. 7.39/156 = 4.7%
2. 4.1%
3. 64.92%
4. 0.2344
5. a
6. 31/100 = x/70; 21.7
7. 7.39/156 = 4.7%