Respostas

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2014-03-17T15:42:23-03:00
2,5-------------- 1 saco
300-------------- x sacos

300*1=2,5 *x
x=300/2,5
x=120 sacos

1 5 1
2014-03-17T16:00:17-03:00
120 sacos
2.5 m de cada saco
2.5x120=300m