Respuestas

  • Haiku
  • Moderador Profesor
2014-02-16T00:19:56+01:00


5/8 de 140 = (140/*8)*5 = 17,5 * 5 = 87,5

7/9 de 180 = (180/9)*7 = 20*7 = 140

4/7 de 140 = (140/7)*4 = 20*4 = 80


3/5 de x = 660

(x/5)*3 = 660

x/5 = 660/3

x/5 = 220

x = 220*5

x =  $1.100