Respostas

2014-02-16T17:26:21-03:00
Total das frutas = x
2/5 . x = 2x/5
1/4 . x = x/4

14 + 2x/5 + x/4 = x
por mmc
_280_+8x_+5x_ = 20x
         20
Corta mmc
280 = 20x - 13x
280 = 7x
x = 280/7
x = 40 frutas

6 4 6